125400871812 has 48 divisors (see below), whose sum is σ = 293203854272. Its totient is φ = 41714386560.

The previous prime is 125400871763. The next prime is 125400871859. The reversal of 125400871812 is 218178004521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27134862 + ... + 27139482.

Almost surely, 2^125400871812 is an apocalyptic number.

125400871812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125400871812 is an abundant number, since it is smaller than the sum of its proper divisors (167802982460).

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

125400871812 is a wasteful number, since it uses less digits than its factorization.

125400871812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8788 (or 8786 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 125400871812 in words is "one hundred twenty-five billion, four hundred million, eight hundred seventy-one thousand, eight hundred twelve".