131202010123400 has 48 divisors (see below), whose sum is σ = 312484787545140. Its totient is φ = 51200784435200.

The previous prime is 131202010123391. The next prime is 131202010123421. The reversal of 131202010123400 is 4321010202131.

It can be written as a sum of positive squares in 6 ways, for example, as 13647364846756 + 117554645276644 = 3694234^2 + 10842262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8000114369 + ... + 8000130768.

Almost surely, 2^{131202010123400} is an apocalyptic number.

131202010123400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202010123400 is an abundant number, since it is smaller than the sum of its proper divisors (181282777421740).

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

131202010123400 is a wasteful number, since it uses less digits than its factorization.

131202010123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000245194 (or 16000245185 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131202010123400 its reverse (4321010202131), we get a palindrome (135523020325531).

The spelling of 131202010123400 in words is "one hundred thirty-one trillion, two hundred two billion, ten million, one hundred twenty-three thousand, four hundred".