12555570700 has 18 divisors (see below), whose sum is σ = 27245588636. Its totient is φ = 5022228240.

The previous prime is 12555570691. The next prime is 12555570701. The reversal of 12555570700 is 707555521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12555570700.

It is not an unprimeable number, because it can be changed into a prime (12555570701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62777754 + ... + 62777953.

Almost surely, 2^12555570700 is an apocalyptic number.

12555570700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12555570700 is an abundant number, since it is smaller than the sum of its proper divisors (14690017936).

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

12555570700 is a wasteful number, since it uses less digits than its factorization.

12555570700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125555721 (or 125555714 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 37.

The spelling of 12555570700 in words is "twelve billion, five hundred fifty-five million, five hundred seventy thousand, seven hundred".