131021012421192 has 64 divisors (see below), whose sum is σ = 336914237563200. Its totient is φ = 42429014749440.

The previous prime is 131021012421191. The next prime is 131021012421199. The reversal of 131021012421192 is 291124210120131.

131021012421192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131021012421191) 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, 111021342 + ... + 112195277.

It is an arithmetic number, because the mean of its divisors is an integer number (5264284961925).

Almost surely, 2^{131021012421192} is an apocalyptic number.

131021012421192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131021012421192 is an abundant number, since it is smaller than the sum of its proper divisors (205893225142008).

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

131021012421192 is a wasteful number, since it uses less digits than its factorization.

131021012421192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223217326 (or 223217322 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 131021012421192 in words is "one hundred thirty-one trillion, twenty-one billion, twelve million, four hundred twenty-one thousand, one hundred ninety-two".