12238428644808 has 64 divisors (see below), whose sum is σ = 30643113706560. Its totient is φ = 4073204822016.

The previous prime is 12238428644801. The next prime is 12238428644837. The reversal of 12238428644808 is 80844682483221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12238428644801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426456316 + ... + 426485012.

It is an arithmetic number, because the mean of its divisors is an integer number (478798651665).

Almost surely, 2^{12238428644808} is an apocalyptic number.

It is an amenable number.

12238428644808 is an abundant number, since it is smaller than the sum of its proper divisors (18404685061752).

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

12238428644808 is a wasteful number, since it uses less digits than its factorization.

12238428644808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55406 (or 55402 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 60.

The spelling of 12238428644808 in words is "twelve trillion, two hundred thirty-eight billion, four hundred twenty-eight million, six hundred forty-four thousand, eight hundred eight".