129890360512 has 28 divisors (see below), whose sum is σ = 281183111496. Its totient is φ = 59041072640.

The previous prime is 129890360489. The next prime is 129890360527. The reversal of 129890360512 is 215063098921.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 92250973 + ... + 92252380.

It is an arithmetic number, because the mean of its divisors is an integer number (10042253982).

Almost surely, 2^129890360512 is an apocalyptic number.

It is an amenable number.

129890360512 is an abundant number, since it is smaller than the sum of its proper divisors (151292750984).

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

129890360512 is a wasteful number, since it uses less digits than its factorization.

129890360512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184503376 (or 184503366 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 129890360512 in words is "one hundred twenty-nine billion, eight hundred ninety million, three hundred sixty thousand, five hundred twelve".