202131020112 has 80 divisors (see below), whose sum is σ = 597012122112. Its totient is φ = 57728073600.

The previous prime is 202131020111. The next prime is 202131020123. The reversal of 202131020112 is 211020131202.

202131020112 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202131020091 and 202131020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706987 + ... + 950837.

Almost surely, 2^202131020112 is an apocalyptic number.

It is an amenable number.

202131020112 is an abundant number, since it is smaller than the sum of its proper divisors (394881102000).

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

202131020112 is a wasteful number, since it uses less digits than its factorization.

202131020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246336 (or 246330 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 202131020112 its reverse (211020131202), we get a palindrome (413151151314).

The spelling of 202131020112 in words is "two hundred two billion, one hundred thirty-one million, twenty thousand, one hundred twelve".