129772051230 has 32 divisors (see below), whose sum is σ = 312087282048. Its totient is φ = 34535396000.

The previous prime is 129772051223. The next prime is 129772051273. The reversal of 129772051230 is 32150277921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390296 + ... + 4419755.

It is an arithmetic number, because the mean of its divisors is an integer number (9752727564).

Almost surely, 2^129772051230 is an apocalyptic number.

129772051230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129772051230 is an abundant number, since it is smaller than the sum of its proper divisors (182315230818).

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

129772051230 is a wasteful number, since it uses less digits than its factorization.

129772051230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810552.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 129772051230 in words is "one hundred twenty-nine billion, seven hundred seventy-two million, fifty-one thousand, two hundred thirty".