12520503050520 has 32 divisors (see below), whose sum is σ = 37561509151920. Its totient is φ = 3338800813440.

The previous prime is 12520503050453. The next prime is 12520503050537. The reversal of 12520503050520 is 2505030502521.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 52168762591 + ... + 52168762830.

Almost surely, 2^{12520503050520} is an apocalyptic number.

12520503050520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12520503050520 is an abundant number, since it is smaller than the sum of its proper divisors (25041006101400).

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

12520503050520 is a wasteful number, since it uses less digits than its factorization.

12520503050520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104337525435 (or 104337525431 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 12520503050520 in words is "twelve trillion, five hundred twenty billion, five hundred three million, fifty thousand, five hundred twenty".