12318506424 has 48 divisors (see below), whose sum is σ = 38128711920. Its totient is φ = 3519573120.

The previous prime is 12318506423. The next prime is 12318506429. The reversal of 12318506424 is 42460581321.

It is a happy number.

12318506424 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 8 + 5 + 0 + 642 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318506423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12220237 + ... + 12221244.

It is an arithmetic number, because the mean of its divisors is an integer number (794348165).

Almost surely, 2^12318506424 is an apocalyptic number.

12318506424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12318506424 is an abundant number, since it is smaller than the sum of its proper divisors (25810205496).

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

12318506424 is a wasteful number, since it uses less digits than its factorization.

12318506424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24441500 (or 24441493 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 12318506424 in words is "twelve billion, three hundred eighteen million, five hundred six thousand, four hundred twenty-four".