128730470202 has 24 divisors (see below), whose sum is σ = 280474215840. Its totient is φ = 42670434120.

The previous prime is 128730470191. The next prime is 128730470237. The reversal of 128730470202 is 202074037821.

128730470202 is a `hidden beast` number, since 1 + 2 + 87 + 304 + 70 + 202 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19973574 + ... + 19980017.

It is an arithmetic number, because the mean of its divisors is an integer number (11686425660).

Almost surely, 2^128730470202 is an apocalyptic number.

128730470202 is an abundant number, since it is smaller than the sum of its proper divisors (151743745638).

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

128730470202 is a wasteful number, since it uses less digits than its factorization.

128730470202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39953778 (or 39953775 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 128730470202 in words is "one hundred twenty-eight billion, seven hundred thirty million, four hundred seventy thousand, two hundred two".