12331872252 has 144 divisors (see below), whose sum is σ = 38415686400. Its totient is φ = 3256485120.

The previous prime is 12331872247. The next prime is 12331872253. The reversal of 12331872252 is 25227813321.

12331872252 is a `hidden beast` number, since 1 + 2 + 331 + 8 + 72 + 252 = 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 (12331872253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164899 + ... + 227717.

It is an arithmetic number, because the mean of its divisors is an integer number (266775600).

Almost surely, 2^12331872252 is an apocalyptic number.

12331872252 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 12331872252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19207843200).

12331872252 is an abundant number, since it is smaller than the sum of its proper divisors (26083814148).

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

12331872252 is a wasteful number, since it uses less digits than its factorization.

12331872252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62896 (or 62891 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 12331872252 in words is "twelve billion, three hundred thirty-one million, eight hundred seventy-two thousand, two hundred fifty-two".