125179875912 has 128 divisors (see below), whose sum is σ = 388983087360. Its totient is φ = 32687539200.

The previous prime is 125179875857. The next prime is 125179875917. The reversal of 125179875912 is 219578971521.

It is not an unprimeable number, because it can be changed into a prime (125179875917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63163 + ... + 504330.

It is an arithmetic number, because the mean of its divisors is an integer number (3038930370).

Almost surely, 2^125179875912 is an apocalyptic number.

125179875912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125179875912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194491543680).

125179875912 is an abundant number, since it is smaller than the sum of its proper divisors (263803211448).

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

125179875912 is a wasteful number, since it uses less digits than its factorization.

125179875912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567623 (or 567619 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 57.

The spelling of 125179875912 in words is "one hundred twenty-five billion, one hundred seventy-nine million, eight hundred seventy-five thousand, nine hundred twelve".