128099915762712 has 32 divisors (see below), whose sum is σ = 324760349825280. Its totient is φ = 42098563865120.

The previous prime is 128099915762683. The next prime is 128099915762743. The reversal of 128099915762712 is 217267519990821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37588001748 + ... + 37588005155.

It is an arithmetic number, because the mean of its divisors is an integer number (10148760932040).

Almost surely, 2^{128099915762712} is an apocalyptic number.

128099915762712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128099915762712 is an abundant number, since it is smaller than the sum of its proper divisors (196660434062568).

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

128099915762712 is a wasteful number, since it uses less digits than its factorization.

128099915762712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75176006983 (or 75176006979 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 69.

The spelling of 128099915762712 in words is "one hundred twenty-eight trillion, ninety-nine billion, nine hundred fifteen million, seven hundred sixty-two thousand, seven hundred twelve".