12235311865 has 32 divisors (see below), whose sum is σ = 17045247744. Its totient is φ = 8257455360.

The previous prime is 12235311857. The next prime is 12235311899. The reversal of 12235311865 is 56811353221.

It is not a de Polignac number, because 12235311865 - 2³ = 12235311857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5019427 + ... + 5021863.

It is an arithmetic number, because the mean of its divisors is an integer number (532663992).

Almost surely, 2^12235311865 is an apocalyptic number.

It is an amenable number.

12235311865 is a deficient number, since it is larger than the sum of its proper divisors (4809935879).

12235311865 is a wasteful number, since it uses less digits than its factorization.

12235311865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657.

The product of its digits is 43200, while the sum is 37.

The spelling of 12235311865 in words is "twelve billion, two hundred thirty-five million, three hundred eleven thousand, eight hundred sixty-five".