128174568912 has 160 divisors (see below), whose sum is σ = 413436038400. Its totient is φ = 37723580928.

The previous prime is 128174568911. The next prime is 128174568913. The reversal of 128174568912 is 219865471821.

128174568912 is a `hidden beast` number, since 1 + 2 + 8 + 1 + 74 + 568 + 9 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (128174568911) and next prime (128174568913).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128174568911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366987 + ... + 625322.

It is an arithmetic number, because the mean of its divisors is an integer number (2583975240).

Almost surely, 2^128174568912 is an apocalyptic number.

128174568912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128174568912 is an abundant number, since it is smaller than the sum of its proper divisors (285261469488).

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

128174568912 is a wasteful number, since it uses less digits than its factorization.

128174568912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992362 (or 992350 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 128174568912 in words is "one hundred twenty-eight billion, one hundred seventy-four million, five hundred sixty-eight thousand, nine hundred twelve".