22112020121012 has 12 divisors (see below), whose sum is σ = 38700452124516. Its totient is φ = 11054748085440.

The previous prime is 22112020121003. The next prime is 22112020121027. The reversal of 22112020121012 is 21012102021122.

It can be written as a sum of positive squares in 2 ways, for example, as 13293709770916 + 8818310350096 = 3646054^2 + 2969564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315454343 + ... + 315524430.

It is an arithmetic number, because the mean of its divisors is an integer number (3225037677043).

Almost surely, 2^{22112020121012} is an apocalyptic number.

It is an amenable number.

22112020121012 is a deficient number, since it is larger than the sum of its proper divisors (16588432003504).

22112020121012 is a wasteful number, since it uses less digits than its factorization.

22112020121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630987538 (or 630987536 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112020121012 its reverse (21012102021122), we get a palindrome (43124122142134).

The spelling of 22112020121012 in words is "twenty-two trillion, one hundred twelve billion, twenty million, one hundred twenty-one thousand, twelve".