12232165051 has 4 divisors (see below), whose sum is σ = 12462960672. Its totient is φ = 12001369432.

The previous prime is 12232165037. The next prime is 12232165067. The reversal of 12232165051 is 15056123221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15056123221 = 677 ⋅22239473.

It is a cyclic number.

It is not a de Polignac number, because 12232165051 - 2⁵ = 12232165019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232165081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115397731 + ... + 115397836.

It is an arithmetic number, because the mean of its divisors is an integer number (3115740168).

Almost surely, 2^12232165051 is an apocalyptic number.

12232165051 is a deficient number, since it is larger than the sum of its proper divisors (230795621).

12232165051 is an equidigital number, since it uses as much as digits as its factorization.

12232165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230795620.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 12232165051 its reverse (15056123221), we get a palindrome (27288288272).

The spelling of 12232165051 in words is "twelve billion, two hundred thirty-two million, one hundred sixty-five thousand, fifty-one".