12500525004 has 72 divisors (see below), whose sum is σ = 32097960384. Its totient is φ = 3783621600.

The previous prime is 12500525003. The next prime is 12500525021. The reversal of 12500525004 is 40052500521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12500525003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1370499 + ... + 1379589.

Almost surely, 2^12500525004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12500525004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16048980192).

12500525004 is an abundant number, since it is smaller than the sum of its proper divisors (19597435380).

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

12500525004 is a wasteful number, since it uses less digits than its factorization.

12500525004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067 (or 10054 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 12500525004 in words is "twelve billion, five hundred million, five hundred twenty-five thousand, four".