Looking for info on this wallet

12tkqA9xSoowkzoERHMWNKsTey55YEBqkv

That's not a wallet, it's a Bitcoin address. If you're looking for a scammer who tells you he sells a wallet with the private key to this address, you'll probably find someone. But that is indeed a scammer, and the wallet is fake. So whatever you're looking for, you're not going to find someone who gives you a wallet with 3 billion dollars, no matter how much money you pay to the scammer.

How did you find out what the question was? Anyway, it's very fun that you even had to say that nobody will give OP a wallet with 3 billion dollars. I thought they would, but now that you clarified it, I will be more hesitant.

Why else would anyone ask to "tel location of purchase"? It's a weird development in scams: back in the days, scammers made small promises. Nowadays, scammers promise billions and somehow that's what earns them the most money.

Well, bitcoin was worth a few cents, then it reached a single-digit dollar value, then two, and so on. Currently, it's at six-digit figures, so it makes sense, right? I bet OP already lost some money, which is why he is asking for the location with the hope he can get back his money. Good Luck, buddy!

After some months of reading thread on this board, you'll get vague feeling whether someone looking for help probably have been scammed. Anyway, it's not first time that Bitcoin address mentioned by someone who probably got scammed. For example, https://bitcointalk.org/index.php?topic=5274302.0 https://ninjastic.space/topic/5431054

This P2PKH public address is currently no. 31 on Bitcoin Rich List. The main stash of 28,150BTC has been consolidated from mining mostly into this address with eight transactions from April 5th 2010 until May 12th 2010 (I haven't followed the coin history in detail, though). All subsequent incoming transactions are likely dusting (for whatever purpose), though with an exception of an incoming tx of 0.9999BTC on 2015-04-05 21:46:48 (bitinfocharts.com attributes the originator as 999Dice.com; I don't know how and if it's accurate at all). An amount of almost one BTC for dusting is somewhat unlikely (worth around $257 in April 5th 2015). No coins have ever been spent from address 12tkqA9xSoowkzoERHMWNKsTey55YEBqkv. So, the miner is either a die-hard hodler or someone who lost the private key for this address. I would assume any "offering" regarding addresses from the Bitcoin Rich List as a scam attempt.