12021013231022 has 16 divisors (see below), whose sum is σ = 18045937737072. Its totient is φ = 6005700971520.

The previous prime is 12021013230991. The next prime is 12021013231091. The reversal of 12021013231022 is 22013231012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021013230985 and 12021013231003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99954158 + ... + 100074350.

It is an arithmetic number, because the mean of its divisors is an integer number (1127871108567).

Almost surely, 2^{12021013231022} is an apocalyptic number.

12021013231022 is a deficient number, since it is larger than the sum of its proper divisors (6024924506050).

12021013231022 is a wasteful number, since it uses less digits than its factorization.

12021013231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159763.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12021013231022 its reverse (22013231012021), we get a palindrome (34034244243043).

The spelling of 12021013231022 in words is "twelve trillion, twenty-one billion, thirteen million, two hundred thirty-one thousand, twenty-two".