You can get a copy of a W-2 from Social Security.
https://faq.ssa.gov/link/portal/34011/34019/Article/3836/How-can-I-get-a-copy-of-my-wage-and-tax-sta...
Your other problem will be preparing a 2012 tax return. Software is no longer available for 2012. You can get the pdf copies from the IRS to file on paper, though.
You can download the Forms and Instructions from the IRS web site:
https://www.irs.gov/forms-pubs
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
