12318330672 has 120 divisors (see below), whose sum is σ = 35732462480. Its totient is φ = 3958295040.

The previous prime is 12318330659. The next prime is 12318330677. The reversal of 12318330672 is 27603381321.

12318330672 is a `hidden beast` number, since 1 + 2 + 318 + 330 + 6 + 7 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12318330677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570147 + ... + 591357.

Almost surely, 2^12318330672 is an apocalyptic number.

12318330672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318330672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17866231240).

12318330672 is an abundant number, since it is smaller than the sum of its proper divisors (23414131808).

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

12318330672 is a wasteful number, since it uses less digits than its factorization.

12318330672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371 (or 21362 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 12318330672 in words is "twelve billion, three hundred eighteen million, three hundred thirty thousand, six hundred seventy-two".