12235603065 has 24 divisors (see below), whose sum is σ = 22773205440. Its totient is φ = 5593418208.

The previous prime is 12235603021. The next prime is 12235603067. The reversal of 12235603065 is 56030653221.

It is not a de Polignac number, because 12235603065 - 2¹⁵ = 12235570297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12235603067) 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, 8322805 + ... + 8324274.

It is an arithmetic number, because the mean of its divisors is an integer number (948883560).

Almost surely, 2^12235603065 is an apocalyptic number.

12235603065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12235603065 is a deficient number, since it is larger than the sum of its proper divisors (10537602375).

12235603065 is a wasteful number, since it uses less digits than its factorization.

12235603065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16647101 (or 16647094 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 12235603065 in words is "twelve billion, two hundred thirty-five million, six hundred three thousand, sixty-five".