12929177508 has 48 divisors (see below), whose sum is σ = 32505646656. Its totient is φ = 3976133760.

The previous prime is 12929177507. The next prime is 12929177557. The reversal of 12929177508 is 80577192921.

It is not an unprimeable number, because it can be changed into a prime (12929177507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293110 + ... + 334322.

It is an arithmetic number, because the mean of its divisors is an integer number (677200972).

Almost surely, 2^12929177508 is an apocalyptic number.

It is an amenable number.

12929177508 is an abundant number, since it is smaller than the sum of its proper divisors (19576469148).

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

12929177508 is a wasteful number, since it uses less digits than its factorization.

12929177508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43244 (or 43242 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 12929177508 in words is "twelve billion, nine hundred twenty-nine million, one hundred seventy-seven thousand, five hundred eight".