12323320211 has 2 divisors, whose sum is σ = 12323320212. Its totient is φ = 12323320210.

The previous prime is 12323320201. The next prime is 12323320237. The reversal of 12323320211 is 11202332321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323320211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12323320201) 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, 6161660105 + 6161660106.

It is an arithmetic number, because the mean of its divisors is an integer number (6161660106).

Almost surely, 2^12323320211 is an apocalyptic number.

12323320211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323320211 is an equidigital number, since it uses as much as digits as its factorization.

12323320211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12323320211 its reverse (11202332321), we get a palindrome (23525652532).

The spelling of 12323320211 in words is "twelve billion, three hundred twenty-three million, three hundred twenty thousand, two hundred eleven".