12438902393500 has 48 divisors (see below), whose sum is σ = 29636250370272. Its totient is φ = 4523237232000.

The previous prime is 12438902393497. The next prime is 12438902393501. The reversal of 12438902393500 is 539320983421.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12438902393501) 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, 1130803809 + ... + 1130814808.

It is an arithmetic number, because the mean of its divisors is an integer number (617421882714).

Almost surely, 2^{12438902393500} is an apocalyptic number.

12438902393500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12438902393500 is an abundant number, since it is smaller than the sum of its proper divisors (17197347976772).

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

12438902393500 is a wasteful number, since it uses less digits than its factorization.

12438902393500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261618647 (or 2261618635 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 12438902393500 in words is "twelve trillion, four hundred thirty-eight billion, nine hundred two million, three hundred ninety-three thousand, five hundred".