129738703200 has 144 divisors (see below), whose sum is σ = 444525923520. Its totient is φ = 32776081920.

The previous prime is 129738703187. The next prime is 129738703231. The reversal of 129738703200 is 2307837921.

It is a super-2 number, since 2×129738703200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1376974 + ... + 1468173.

It is an arithmetic number, because the mean of its divisors is an integer number (3086985580).

Almost surely, 2^129738703200 is an apocalyptic number.

129738703200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129738703200 is an abundant number, since it is smaller than the sum of its proper divisors (314787220320).

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

129738703200 is a wasteful number, since it uses less digits than its factorization.

129738703200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845189 (or 2845176 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 129738703200 in words is "one hundred twenty-nine billion, seven hundred thirty-eight million, seven hundred three thousand, two hundred".