12372018912 has 144 divisors (see below), whose sum is σ = 38536767360. Its totient is φ = 3733920000.

The previous prime is 12372018887. The next prime is 12372018913. The reversal of 12372018912 is 21981027321.

It is a tau number, because it is divible by the number of its divisors (144).

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 (12372018913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787389 + ... + 802947.

It is an arithmetic number, because the mean of its divisors is an integer number (267616440).

Almost surely, 2^12372018912 is an apocalyptic number.

12372018912 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 12372018912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19268383680).

12372018912 is an abundant number, since it is smaller than the sum of its proper divisors (26164748448).

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

12372018912 is a wasteful number, since it uses less digits than its factorization.

12372018912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15837 (or 15826 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 12372018912 in words is "twelve billion, three hundred seventy-two million, eighteen thousand, nine hundred twelve".