12911596570 has 16 divisors (see below), whose sum is σ = 23268135240. Its totient is φ = 5158580544.

The previous prime is 12911596561. The next prime is 12911596597. The reversal of 12911596570 is 7569511921.

It can be written as a sum of positive squares in 4 ways, for example, as 7114753801 + 5796842769 = 84349^2 + 76137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12911596570.

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, 748305 + ... + 765364.

Almost surely, 2^12911596570 is an apocalyptic number.

12911596570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12911596570 is a deficient number, since it is larger than the sum of its proper divisors (10356538670).

12911596570 is a wasteful number, since it uses less digits than its factorization.

12911596570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514529.

The product of its (nonzero) digits is 170100, while the sum is 46.

The spelling of 12911596570 in words is "twelve billion, nine hundred eleven million, five hundred ninety-six thousand, five hundred seventy".