125690535912 has 64 divisors (see below), whose sum is σ = 332774870400. Its totient is φ = 39424665600.

The previous prime is 125690535853. The next prime is 125690535931. The reversal of 125690535912 is 219535096521.

It is a super-2 number, since 2×125690535912² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294037 + ... + 2348187.

It is an arithmetic number, because the mean of its divisors is an integer number (5199607350).

Almost surely, 2^125690535912 is an apocalyptic number.

125690535912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125690535912 is an abundant number, since it is smaller than the sum of its proper divisors (207084334488).

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

125690535912 is a wasteful number, since it uses less digits than its factorization.

125690535912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59866 (or 59862 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 125690535912 in words is "one hundred twenty-five billion, six hundred ninety million, five hundred thirty-five thousand, nine hundred twelve".