12756555570 has 32 divisors (see below), whose sum is σ = 33398982720. Its totient is φ = 3092498240.

The previous prime is 12756555529. The next prime is 12756555661. The reversal of 12756555570 is 7555565721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19327785 + ... + 19328444.

It is an arithmetic number, because the mean of its divisors is an integer number (1043718210).

Almost surely, 2^12756555570 is an apocalyptic number.

12756555570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12756555570 is an abundant number, since it is smaller than the sum of its proper divisors (20642427150).

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

12756555570 is a wasteful number, since it uses less digits than its factorization.

12756555570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38656250.

The product of its (nonzero) digits is 1837500, while the sum is 48.

The spelling of 12756555570 in words is "twelve billion, seven hundred fifty-six million, five hundred fifty-five thousand, five hundred seventy".