202120002112112 has 40 divisors (see below), whose sum is σ = 456685135980000. Its totient is φ = 86622858045696.

The previous prime is 202120002112097. The next prime is 202120002112129. The reversal of 202120002112112 is 211211200021202.

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, 18414717737 + ... + 18414728712.

It is an arithmetic number, because the mean of its divisors is an integer number (11417128399500).

Almost surely, 2^{202120002112112} is an apocalyptic number.

It is an amenable number.

202120002112112 is an abundant number, since it is smaller than the sum of its proper divisors (254565133867888).

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

202120002112112 is an equidigital number, since it uses as much as digits as its factorization.

202120002112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36829446478 (or 36829446458 counting only the distinct ones).

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

Adding to 202120002112112 its reverse (211211200021202), we get a palindrome (413331202133314).

The spelling of 202120002112112 in words is "two hundred two trillion, one hundred twenty billion, two million, one hundred twelve thousand, one hundred twelve".