125212452880 has 40 divisors (see below), whose sum is σ = 293839710912. Its totient is φ = 49616893824.

The previous prime is 125212452809. The next prime is 125212452899. The reversal of 125212452880 is 88254212521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7305252 + ... + 7322371.

Almost surely, 2^125212452880 is an apocalyptic number.

125212452880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125212452880 is an abundant number, since it is smaller than the sum of its proper divisors (168627258032).

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

125212452880 is a wasteful number, since it uses less digits than its factorization.

125212452880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14627743 (or 14627737 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The spelling of 125212452880 in words is "one hundred twenty-five billion, two hundred twelve million, four hundred fifty-two thousand, eight hundred eighty".