128606622912 has 84 divisors (see below), whose sum is σ = 378123485560. Its totient is φ = 42863905152.

The previous prime is 128606622899. The next prime is 128606622919. The reversal of 128606622912 is 219226606821.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

128606622912 is a `hidden beast` number, since 1 + 2 + 8 + 6 + 0 + 6 + 622 + 9 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (128606622919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14903143 + ... + 14911769.

Almost surely, 2^128606622912 is an apocalyptic number.

128606622912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128606622912 is an abundant number, since it is smaller than the sum of its proper divisors (249516862648).

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

128606622912 is an frugal number, since it uses more digits than its factorization.

128606622912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275 (or 8632 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 128606622912 in words is "one hundred twenty-eight billion, six hundred six million, six hundred twenty-two thousand, nine hundred twelve".