129313526120 has 32 divisors (see below), whose sum is σ = 295886887200. Its totient is φ = 50848707648.

The previous prime is 129313526101. The next prime is 129313526171. The reversal of 129313526120 is 21625313921.

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, 27394574 + ... + 27399293.

It is an arithmetic number, because the mean of its divisors is an integer number (9246465225).

Almost surely, 2^129313526120 is an apocalyptic number.

129313526120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129313526120 is an abundant number, since it is smaller than the sum of its proper divisors (166573361080).

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

129313526120 is a wasteful number, since it uses less digits than its factorization.

129313526120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54793937 (or 54793933 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 129313526120 in words is "one hundred twenty-nine billion, three hundred thirteen million, five hundred twenty-six thousand, one hundred twenty".