12324434209 has 2 divisors, whose sum is σ = 12324434210. Its totient is φ = 12324434208.

The previous prime is 12324434191. The next prime is 12324434267. The reversal of 12324434209 is 90243442321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11317768225 + 1006665984 = 106385^2 + 31728^2 .

It is a cyclic number.

It is not a de Polignac number, because 12324434209 - 2⁹ = 12324433697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12324434299) 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 as a sum of consecutive naturals, namely, 6162217104 + 6162217105.

It is an arithmetic number, because the mean of its divisors is an integer number (6162217105).

Almost surely, 2^12324434209 is an apocalyptic number.

It is an amenable number.

12324434209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12324434209 is an equidigital number, since it uses as much as digits as its factorization.

12324434209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 12324434209 in words is "twelve billion, three hundred twenty-four million, four hundred thirty-four thousand, two hundred nine".