128500374712 has 16 divisors (see below), whose sum is σ = 240942156840. Its totient is φ = 64249132896.

The previous prime is 128500374689. The next prime is 128500374713. The reversal of 128500374712 is 217473005821.

It is a super-2 number, since 2×128500374712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128500374713) 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, 680818 + ... + 848830.

Almost surely, 2^128500374712 is an apocalyptic number.

It is an amenable number.

128500374712 is a deficient number, since it is larger than the sum of its proper divisors (112441782128).

128500374712 is a wasteful number, since it uses less digits than its factorization.

128500374712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263622 (or 263618 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 128500374712 in words is "one hundred twenty-eight billion, five hundred million, three hundred seventy-four thousand, seven hundred twelve".