202212121012122 has 64 divisors (see below), whose sum is σ = 438557177874816. Its totient is φ = 61788332113920.

The previous prime is 202212121012067. The next prime is 202212121012163. The reversal of 202212121012122 is 221210121212202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3166383 + ... + 20358050.

It is an arithmetic number, because the mean of its divisors is an integer number (6852455904294).

Almost surely, 2^{202212121012122} is an apocalyptic number.

202212121012122 is an abundant number, since it is smaller than the sum of its proper divisors (236345056862694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202212121012122 is a wasteful number, since it uses less digits than its factorization.

202212121012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23525215.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202212121012122 its reverse (221210121212202), we get a palindrome (423422242224324).

The spelling of 202212121012122 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".