128707908312 has 16 divisors (see below), whose sum is σ = 321769770840. Its totient is φ = 42902636096.

The previous prime is 128707908281. The next prime is 128707908323. The reversal of 128707908312 is 213809707821.

It is a happy number.

128707908312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 2681414733 + ... + 2681414780.

Almost surely, 2^128707908312 is an apocalyptic number.

128707908312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128707908312 is an abundant number, since it is smaller than the sum of its proper divisors (193061862528).

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

128707908312 is a wasteful number, since it uses less digits than its factorization.

128707908312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362829522 (or 5362829518 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 128707908312 in words is "one hundred twenty-eight billion, seven hundred seven million, nine hundred eight thousand, three hundred twelve".