You are 123 years old if you were born on March 12, 1901.
You are 123 years 1 month, 1 week, and 5 days old or 1477 months old or 6,424 weeks old or 44,969 days old or 1,079,256 hours old or 64,755,360 minutes old or 3,885,321,600 seconds old You were born on a Tuesday.