128012611308 has 48 divisors (see below), whose sum is σ = 299223515136. Its totient is φ = 42595597440.

The previous prime is 128012611291. The next prime is 128012611367. The reversal of 128012611308 is 803116210821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19773160 + ... + 19779632.

It is an arithmetic number, because the mean of its divisors is an integer number (6233823232).

Almost surely, 2^128012611308 is an apocalyptic number.

It is an amenable number.

128012611308 is an abundant number, since it is smaller than the sum of its proper divisors (171210903828).

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

128012611308 is a wasteful number, since it uses less digits than its factorization.

128012611308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134 (or 9132 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 128012611308 in words is "one hundred twenty-eight billion, twelve million, six hundred eleven thousand, three hundred eight".