If you were Married as of December 31, 2019, you can file as Married Filing Jointly, which is usually the best way to file.
Your wife is worth $12,200 on your Tax Return whether she worked or not.
Click this link for more info on What is My Filing Status?
Is this in regard to the stimulus checks? If you have been filing joint returns, you will receive the amount for a married couple. Her SSN is in the IRS system just like yours is.