128960731200 has 168 divisors, whose sum is σ = 483541458112. Its totient is φ = 29476730880.

The previous prime is 128960731139. The next prime is 128960731231. The reversal of 128960731200 is 2137069821.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1885459 + ... + 1952658.

Almost surely, 2^128960731200 is an apocalyptic number.

128960731200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128960731200 is an abundant number, since it is smaller than the sum of its proper divisors (354580726912).

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

128960731200 is a wasteful number, since it uses less digits than its factorization.

128960731200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838149 (or 3838134 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 128960731200 in words is "one hundred twenty-eight billion, nine hundred sixty million, seven hundred thirty-one thousand, two hundred".