12712881576 has 32 divisors (see below), whose sum is σ = 31984647840. Its totient is φ = 4210634688.

The previous prime is 12712881509. The next prime is 12712881581. The reversal of 12712881576 is 67518821721.

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, 1683186 + ... + 1690721.

It is an arithmetic number, because the mean of its divisors is an integer number (999520245).

Almost surely, 2^12712881576 is an apocalyptic number.

It is an amenable number.

12712881576 is an abundant number, since it is smaller than the sum of its proper divisors (19271766264).

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

12712881576 is a wasteful number, since it uses less digits than its factorization.

12712881576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374073 (or 3374069 counting only the distinct ones).

The product of its digits is 376320, while the sum is 48.

The spelling of 12712881576 in words is "twelve billion, seven hundred twelve million, eight hundred eighty-one thousand, five hundred seventy-six".