12520784700 has 54 divisors (see below), whose sum is σ = 39245706864. Its totient is φ = 3338875680.

The previous prime is 12520784687. The next prime is 12520784701. The reversal of 12520784700 is 748702521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520784701) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6955092 + ... + 6956891.

Almost surely, 2^12520784700 is an apocalyptic number.

12520784700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12520784700 is an abundant number, since it is smaller than the sum of its proper divisors (26724922164).

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

12520784700 is a wasteful number, since it uses less digits than its factorization.

12520784700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912003 (or 13911993 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 12520784700 in words is "twelve billion, five hundred twenty million, seven hundred eighty-four thousand, seven hundred".