12520805200 has 60 divisors (see below), whose sum is σ = 30096029088. Its totient is φ = 5005859200.

The previous prime is 12520805191. The next prime is 12520805203. The reversal of 12520805200 is 250802521.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520805203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 957909 + ... + 970891.

Almost surely, 2^12520805200 is an apocalyptic number.

12520805200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12520805200 is an abundant number, since it is smaller than the sum of its proper divisors (17575223888).

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

12520805200 is a wasteful number, since it uses less digits than its factorization.

12520805200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412 (or 15401 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 12520805200 in words is "twelve billion, five hundred twenty million, eight hundred five thousand, two hundred".