You are 123 years old if you were born on June 12, 1900.
You are 123 years 9 months, 2 weeks, and 2 days old or 1485 months old or 6,459 weeks old or 45,215 days old or 1,085,160 hours old or 65,109,600 minutes old or 3,906,576,000 seconds old You were born on a Tuesday.