128060421204 has 12 divisors (see below), whose sum is σ = 298807649504. Its totient is φ = 42686807064.

The previous prime is 128060421191. The next prime is 128060421227. The reversal of 128060421204 is 402124060821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335850872 + ... + 5335850895.

Almost surely, 2^128060421204 is an apocalyptic number.

It is an amenable number.

128060421204 is an abundant number, since it is smaller than the sum of its proper divisors (170747228300).

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

128060421204 is a wasteful number, since it uses less digits than its factorization.

128060421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671701774 (or 10671701772 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 128060421204 in words is "one hundred twenty-eight billion, sixty million, four hundred twenty-one thousand, two hundred four".