131202100120 has 96 divisors (see below), whose sum is σ = 369816980400. Its totient is φ = 41523293952.

The previous prime is 131202100109. The next prime is 131202100153. The reversal of 131202100120 is 21001202131.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 131202100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2549130 + ... + 2600089.

Almost surely, 2^131202100120 is an apocalyptic number.

131202100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202100120 is an abundant number, since it is smaller than the sum of its proper divisors (238614880280).

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

131202100120 is a wasteful number, since it uses less digits than its factorization.

131202100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149257 (or 5149246 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 131202100120 its reverse (21001202131), we get a palindrome (152203302251).

The spelling of 131202100120 in words is "one hundred thirty-one billion, two hundred two million, one hundred thousand, one hundred twenty".