12312252665 has 8 divisors (see below), whose sum is σ = 14777468160. Its totient is φ = 9847958832.

The previous prime is 12312252653. The next prime is 12312252683. The reversal of 12312252665 is 56625221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12312252665 - 2⁴ = 12312252649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200675 + ... + 254744.

It is an arithmetic number, because the mean of its divisors is an integer number (1847183520).

Almost surely, 2^12312252665 is an apocalyptic number.

It is an amenable number.

12312252665 is a deficient number, since it is larger than the sum of its proper divisors (2465215495).

12312252665 is an equidigital number, since it uses as much as digits as its factorization.

12312252665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460831.

The product of its digits is 43200, while the sum is 35.

Adding to 12312252665 its reverse (56625221321), we get a palindrome (68937473986).

The spelling of 12312252665 in words is "twelve billion, three hundred twelve million, two hundred fifty-two thousand, six hundred sixty-five".