125688310002 has 12 divisors (see below), whose sum is σ = 272324671710. Its totient is φ = 41896103328.

The previous prime is 125688309973. The next prime is 125688310043. The reversal of 125688310002 is 200013886521.

It is a happy number.

125688310002 is a `hidden beast` number, since 1 + 2 + 568 + 83 + 10 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110423954601 + 15264355401 = 332301^2 + 123549^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3491341927 + ... + 3491341962.

Almost surely, 2^125688310002 is an apocalyptic number.

125688310002 is an abundant number, since it is smaller than the sum of its proper divisors (146636361708).

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

125688310002 is a wasteful number, since it uses less digits than its factorization.

125688310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982683897 (or 6982683894 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 125688310002 in words is "one hundred twenty-five billion, six hundred eighty-eight million, three hundred ten thousand, two".