12507507042 has 32 divisors (see below), whose sum is σ = 26156362752. Its totient is φ = 3979690704.

The previous prime is 12507507031. The next prime is 12507507059. The reversal of 12507507042 is 24070570521.

It is a junction number, because it is equal to n+sod(n) for n = 12507506994 and 12507507012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25848 + ... + 160259.

It is an arithmetic number, because the mean of its divisors is an integer number (817386336).

Almost surely, 2^12507507042 is an apocalyptic number.

12507507042 is an abundant number, since it is smaller than the sum of its proper divisors (13648855710).

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

12507507042 is a wasteful number, since it uses less digits than its factorization.

12507507042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186622.

The product of its (nonzero) digits is 19600, while the sum is 33.

The spelling of 12507507042 in words is "twelve billion, five hundred seven million, five hundred seven thousand, forty-two".