12332470721 has 2 divisors, whose sum is σ = 12332470722. Its totient is φ = 12332470720.

The previous prime is 12332470679. The next prime is 12332470723. The reversal of 12332470721 is 12707423321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12312121600 + 20349121 = 110960^2 + 4511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12332470721 is a prime.

Together with 12332470723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12332470723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166235360 + 6166235361.

It is an arithmetic number, because the mean of its divisors is an integer number (6166235361).

Almost surely, 2^12332470721 is an apocalyptic number.

It is an amenable number.

12332470721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332470721 is an equidigital number, since it uses as much as digits as its factorization.

12332470721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 12332470721 in words is "twelve billion, three hundred thirty-two million, four hundred seventy thousand, seven hundred twenty-one".