129309330680 has 32 divisors (see below), whose sum is σ = 293520747600. Its totient is φ = 51265998336.

The previous prime is 129309330677. The next prime is 129309330701. The reversal of 129309330680 is 86033903921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14299610 + ... + 14308649.

Almost surely, 2^129309330680 is an apocalyptic number.

129309330680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129309330680 is an abundant number, since it is smaller than the sum of its proper divisors (164211416920).

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

129309330680 is a wasteful number, since it uses less digits than its factorization.

129309330680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608383 (or 28608379 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 129309330680 in words is "one hundred twenty-nine billion, three hundred nine million, three hundred thirty thousand, six hundred eighty".