129351504274692 has 48 divisors (see below), whose sum is σ = 345028046963712. Its totient is φ = 36947854553760.

The previous prime is 129351504274651. The next prime is 129351504274709. The reversal of 129351504274692 is 296472405153921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202138984 + ... + 202777887.

It is an arithmetic number, because the mean of its divisors is an integer number (7188084311744).

Almost surely, 2^{129351504274692} is an apocalyptic number.

129351504274692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129351504274692 is an abundant number, since it is smaller than the sum of its proper divisors (215676542689020).

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

129351504274692 is a wasteful number, since it uses less digits than its factorization.

129351504274692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404920688 (or 404920686 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 129351504274692 in words is "one hundred twenty-nine trillion, three hundred fifty-one billion, five hundred four million, two hundred seventy-four thousand, six hundred ninety-two".