12332312009 has 2 divisors, whose sum is σ = 12332312010. Its totient is φ = 12332312008.

The previous prime is 12332311997. The next prime is 12332312107. The reversal of 12332312009 is 90021323321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11821777984 + 510534025 = 108728^2 + 22595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12332312009 - 2⁸ = 12332311753 is a prime.

It is not a weakly prime, because it can be changed into another prime (12332312609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6166156004 + 6166156005.

It is an arithmetic number, because the mean of its divisors is an integer number (6166156005).

Almost surely, 2^12332312009 is an apocalyptic number.

It is an amenable number.

12332312009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12332312009 is an equidigital number, since it uses as much as digits as its factorization.

12332312009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 12332312009 in words is "twelve billion, three hundred thirty-two million, three hundred twelve thousand, nine".