12322216051 has 4 divisors (see below), whose sum is σ = 12322640952. Its totient is φ = 12321791152.

The previous prime is 12322216043. The next prime is 12322216057. The reversal of 12322216051 is 15061222321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12322216051 - 2³ = 12322216043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322216057) 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 3 ways as a sum of consecutive naturals, for example, 165490 + ... + 228103.

It is an arithmetic number, because the mean of its divisors is an integer number (3080660238).

Almost surely, 2^12322216051 is an apocalyptic number.

12322216051 is a deficient number, since it is larger than the sum of its proper divisors (424901).

12322216051 is an equidigital number, since it uses as much as digits as its factorization.

12322216051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424900.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12322216051 its reverse (15061222321), we get a palindrome (27383438372).

The spelling of 12322216051 in words is "twelve billion, three hundred twenty-two million, two hundred sixteen thousand, fifty-one".