202112212210120 has 16 divisors (see below), whose sum is σ = 454752477472860. Its totient is φ = 80844884884032.

The previous prime is 202112212210109. The next prime is 202112212210159. The reversal of 202112212210120 is 21012212211202.

It can be written as a sum of positive squares in 2 ways, for example, as 190641919894596 + 11470292315524 = 13807314^2 + 3386782^2 .

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, 2526402652587 + ... + 2526402652666.

Almost surely, 2^{202112212210120} is an apocalyptic number.

202112212210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112212210120 is an abundant number, since it is smaller than the sum of its proper divisors (252640265262740).

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

202112212210120 is a wasteful number, since it uses less digits than its factorization.

202112212210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052805305264 (or 5052805305260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202112212210120 its reverse (21012212211202), we get a palindrome (223124424421322).

The spelling of 202112212210120 in words is "two hundred two trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".