12331214393 has 2 divisors, whose sum is σ = 12331214394. Its totient is φ = 12331214392.

The previous prime is 12331214387. The next prime is 12331214417. The reversal of 12331214393 is 39341213321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9207745849 + 3123468544 = 95957^2 + 55888^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331214393 - 2²⁰ = 12330165817 is a prime.

It is a super-2 number, since 2×12331214393² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12331210393) 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, 6165607196 + 6165607197.

It is an arithmetic number, because the mean of its divisors is an integer number (6165607197).

Almost surely, 2^12331214393 is an apocalyptic number.

It is an amenable number.

12331214393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331214393 is an equidigital number, since it uses as much as digits as its factorization.

12331214393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The spelling of 12331214393 in words is "twelve billion, three hundred thirty-one million, two hundred fourteen thousand, three hundred ninety-three".