12312422234209 has 2 divisors, whose sum is σ = 12312422234210. Its totient is φ = 12312422234208.

The previous prime is 12312422234197. The next prime is 12312422234219. The reversal of 12312422234209 is 90243222421321.

12312422234209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8196912150625 + 4115510083584 = 2863025^2 + 2028672^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312422234209 - 2⁹ = 12312422233697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312422234219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156211117104 + 6156211117105.

It is an arithmetic number, because the mean of its divisors is an integer number (6156211117105).

Almost surely, 2^{12312422234209} is an apocalyptic number.

It is an amenable number.

12312422234209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312422234209 is an equidigital number, since it uses as much as digits as its factorization.

12312422234209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 12312422234209 in words is "twelve trillion, three hundred twelve billion, four hundred twenty-two million, two hundred thirty-four thousand, two hundred nine".