125401010512 has 40 divisors (see below), whose sum is σ = 248947316352. Its totient is φ = 61157241600.

The previous prime is 125401010503. The next prime is 125401010549. The reversal of 125401010512 is 215010104521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215353 + ... + 3254119.

Almost surely, 2^125401010512 is an apocalyptic number.

It is an amenable number.

125401010512 is a deficient number, since it is larger than the sum of its proper divisors (123546305840).

125401010512 is a wasteful number, since it uses less digits than its factorization.

125401010512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43747 (or 43741 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 125401010512 in words is "one hundred twenty-five billion, four hundred one million, ten thousand, five hundred twelve".