Summary
If you make $12,480,000 a year living in the region of Arizona, USA, you will be taxed $5,213,318. That means that your net pay will be $7,266,683 per year, or $605,557 per month. Your average tax rate is 41.8% and your marginal tax rate is 42.1%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $42.05, hence, your net pay will only increase by $57.95.
Bonus Example
A $1,000 bonus will generate an extra $580 of net incomes. A $5,000 bonus will generate an extra $2,898 of net incomes.