128027392312 has 16 divisors (see below), whose sum is σ = 240060070800. Its totient is φ = 64011373440.

The previous prime is 128027392307. The next prime is 128027392319. The reversal of 128027392312 is 213293720821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128027392319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43764 + ... + 507907.

It is an arithmetic number, because the mean of its divisors is an integer number (15003754425).

Almost surely, 2^128027392312 is an apocalyptic number.

It is an amenable number.

128027392312 is a deficient number, since it is larger than the sum of its proper divisors (112032678488).

128027392312 is a wasteful number, since it uses less digits than its factorization.

128027392312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580686 (or 580682 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 128027392312 in words is "one hundred twenty-eight billion, twenty-seven million, three hundred ninety-two thousand, three hundred twelve".