131520253345012 has 24 divisors (see below), whose sum is σ = 272110868991360. Its totient is φ = 54422173797600.

The previous prime is 131520253345007. The next prime is 131520253345043. The reversal of 131520253345012 is 210543352025131.

It is a happy number.

It is a super-2 number, since 2×131520253345012² (a number of 29 digits) contains 22 as substring.

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, 80985376864 + ... + 80985378487.

It is an arithmetic number, because the mean of its divisors is an integer number (11337952874640).

Almost surely, 2^{131520253345012} is an apocalyptic number.

It is an amenable number.

131520253345012 is an abundant number, since it is smaller than the sum of its proper divisors (140590615646348).

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

131520253345012 is a wasteful number, since it uses less digits than its factorization.

131520253345012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161970755391 (or 161970755389 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 131520253345012 in words is "one hundred thirty-one trillion, five hundred twenty billion, two hundred fifty-three million, three hundred forty-five thousand, twelve".