12312119 has 2 divisors, whose sum is σ = 12312120. Its totient is φ = 12312118.

The previous prime is 12312109. The next prime is 12312143. The reversal of 12312119 is 91121321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312119 - 2⁴ = 12312103 is a prime.

It is a super-2 number, since 2×12312119² = 303176548540322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156059 + 6156060.

It is an arithmetic number, because the mean of its divisors is an integer number (6156060).

Almost surely, 2^12312119 is an apocalyptic number.

12312119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312119 is an equidigital number, since it uses as much as digits as its factorization.

12312119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 12312119 is about 3508.8629212325. The cubic root of 12312119 is about 230.9108118177.

The spelling of 12312119 in words is "twelve million, three hundred twelve thousand, one hundred nineteen".