202131136012 has 36 divisors (see below), whose sum is σ = 391513508400. Its totient is φ = 90769875264.

The previous prime is 202131135977. The next prime is 202131136013. The reversal of 202131136012 is 210631131202.

It is a happy number.

It is a super-2 number, since 2×202131136012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202131136013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348512 + ... + 1490887.

Almost surely, 2^202131136012 is an apocalyptic number.

It is an amenable number.

202131136012 is a deficient number, since it is larger than the sum of its proper divisors (189382372388).

202131136012 is a wasteful number, since it uses less digits than its factorization.

202131136012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839490 (or 2839451 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 202131136012 its reverse (210631131202), we get a palindrome (412762267214).

The spelling of 202131136012 in words is "two hundred two billion, one hundred thirty-one million, one hundred thirty-six thousand, twelve".