12312222029867 has 2 divisors, whose sum is σ = 12312222029868. Its totient is φ = 12312222029866.

The previous prime is 12312222029819. The next prime is 12312222029869. The reversal of 12312222029867 is 76892022221321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312222029867 - 2⁶ = 12312222029803 is a prime.

It is a super-2 number, since 2×12312222029867² (a number of 27 digits) contains 22 as substring.

Together with 12312222029869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12312222029869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156111014933 + 6156111014934.

It is an arithmetic number, because the mean of its divisors is an integer number (6156111014934).

Almost surely, 2^{12312222029867} is an apocalyptic number.

12312222029867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312222029867 is an equidigital number, since it uses as much as digits as its factorization.

12312222029867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 12312222029867 in words is "twelve trillion, three hundred twelve billion, two hundred twenty-two million, twenty-nine thousand, eight hundred sixty-seven".