128036314218 has 24 divisors (see below), whose sum is σ = 256513078368. Its totient is φ = 42605387352.

The previous prime is 128036314183. The next prime is 128036314267. The reversal of 128036314218 is 812413630821.

It is a congruent number.

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, 22291455 + ... + 22297197.

It is an arithmetic number, because the mean of its divisors is an integer number (10688044932).

Almost surely, 2^128036314218 is an apocalyptic number.

128036314218 is an abundant number, since it is smaller than the sum of its proper divisors (128476764150).

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

128036314218 is an frugal number, since it uses more digits than its factorization.

128036314218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 128036314218 in words is "one hundred twenty-eight billion, thirty-six million, three hundred fourteen thousand, two hundred eighteen".