129795008916 has 12 divisors (see below), whose sum is σ = 302855020832. Its totient is φ = 43265002968.

The previous prime is 129795008879. The next prime is 129795008939. The reversal of 129795008916 is 619800597921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5408125360 + ... + 5408125383.

Almost surely, 2^129795008916 is an apocalyptic number.

It is an amenable number.

129795008916 is an abundant number, since it is smaller than the sum of its proper divisors (173060011916).

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

129795008916 is a wasteful number, since it uses less digits than its factorization.

129795008916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816250750 (or 10816250748 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 57.

The spelling of 129795008916 in words is "one hundred twenty-nine billion, seven hundred ninety-five million, eight thousand, nine hundred sixteen".