12235642272 has 120 divisors (see below), whose sum is σ = 41125414176. Its totient is φ = 3495892608.

The previous prime is 12235642231. The next prime is 12235642297. The reversal of 12235642272 is 27224653221.

12235642272 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 5 + 642 + 2 + 7 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 319038 + ... + 355325.

Almost surely, 2^12235642272 is an apocalyptic number.

12235642272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12235642272 is an abundant number, since it is smaller than the sum of its proper divisors (28889771904).

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

12235642272 is an equidigital number, since it uses as much as digits as its factorization.

12235642272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674392 (or 674375 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The spelling of 12235642272 in words is "twelve billion, two hundred thirty-five million, six hundred forty-two thousand, two hundred seventy-two".