12312330211 has 2 divisors, whose sum is σ = 12312330212. Its totient is φ = 12312330210.

The previous prime is 12312330203. The next prime is 12312330229. The reversal of 12312330211 is 11203321321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312330211 - 2³ = 12312330203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312337211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156165105 + 6156165106.

It is an arithmetic number, because the mean of its divisors is an integer number (6156165106).

Almost surely, 2^12312330211 is an apocalyptic number.

12312330211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312330211 is an equidigital number, since it uses as much as digits as its factorization.

12312330211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12312330211 its reverse (11203321321), we get a palindrome (23515651532).

The spelling of 12312330211 in words is "twelve billion, three hundred twelve million, three hundred thirty thousand, two hundred eleven".