202012121210022 has 40 divisors (see below), whose sum is σ = 458110486415736. Its totient is φ = 66526080072768.

The previous prime is 202012121209999. The next prime is 202012121210033. The reversal of 202012121210022 is 220012121210202.

It is a happy number.

202012121210022 is a `hidden beast` number, since 20 + 201 + 212 + 1 + 210 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202012121209977 and 202012121210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7511964883 + ... + 7511991774.

Almost surely, 2^{202012121210022} is an apocalyptic number.

202012121210022 is an abundant number, since it is smaller than the sum of its proper divisors (256098365205714).

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

202012121210022 is a wasteful number, since it uses less digits than its factorization.

202012121210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15023956754 (or 15023956745 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202012121210022 its reverse (220012121210202), we get a palindrome (422024242420224).

The spelling of 202012121210022 in words is "two hundred two trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, twenty-two".