12775985970 has 64 divisors (see below), whose sum is σ = 33650297856. Its totient is φ = 3078649280.

The previous prime is 12775985953. The next prime is 12775985977. The reversal of 12775985970 is 7958957721.

It is not an unprimeable number, because it can be changed into a prime (12775985977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60804 + ... + 171023.

It is an arithmetic number, because the mean of its divisors is an integer number (525785904).

Almost surely, 2^12775985970 is an apocalyptic number.

12775985970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12775985970 is an abundant number, since it is smaller than the sum of its proper divisors (20874311886).

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

12775985970 is a wasteful number, since it uses less digits than its factorization.

12775985970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232015.

The product of its (nonzero) digits is 11113200, while the sum is 60.

The spelling of 12775985970 in words is "twelve billion, seven hundred seventy-five million, nine hundred eighty-five thousand, nine hundred seventy".