12233612655 has 96 divisors (see below), whose sum is σ = 24319975680. Its totient is φ = 5849729280.

The previous prime is 12233612639. The next prime is 12233612681. The reversal of 12233612655 is 55621633221.

12233612655 is a `hidden beast` number, since 1 + 2 + 2 + 33 + 612 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 12233612655 - 2⁴ = 12233612639 is a prime.

It is a super-2 number, since 2×12233612655² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 969376 + ... + 981914.

It is an arithmetic number, because the mean of its divisors is an integer number (253333080).

Almost surely, 2^12233612655 is an apocalyptic number.

12233612655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12233612655 is a deficient number, since it is larger than the sum of its proper divisors (12086363025).

12233612655 is a wasteful number, since it uses less digits than its factorization.

12233612655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643 (or 12631 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 12233612655 in words is "twelve billion, two hundred thirty-three million, six hundred twelve thousand, six hundred fifty-five".