12021001202012 has 72 divisors (see below), whose sum is σ = 23962890949200. Its totient is φ = 5266300399360.

The previous prime is 12021001201999. The next prime is 12021001202033. The reversal of 12021001202012 is 21020210012021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7141664 + ... + 8662872.

It is an arithmetic number, because the mean of its divisors is an integer number (332817929850).

Almost surely, 2^{12021001202012} is an apocalyptic number.

It is an amenable number.

12021001202012 is a deficient number, since it is larger than the sum of its proper divisors (11941889747188).

12021001202012 is a wasteful number, since it uses less digits than its factorization.

12021001202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521827 (or 1521814 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021001202012 its reverse (21020210012021), we get a palindrome (33041211214033).

The spelling of 12021001202012 in words is "twelve trillion, twenty-one billion, one million, two hundred two thousand, twelve".