12031333122779 has 2 divisors, whose sum is σ = 12031333122780. Its totient is φ = 12031333122778.

The previous prime is 12031333122769. The next prime is 12031333122791. The reversal of 12031333122779 is 97722133313021.

It is a happy number.

12031333122779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031333122779 is a prime.

It is a super-2 number, since 2×12031333122779² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12031333122769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015666561389 + 6015666561390.

It is an arithmetic number, because the mean of its divisors is an integer number (6015666561390).

Almost surely, 2^{12031333122779} is an apocalyptic number.

12031333122779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031333122779 is an equidigital number, since it uses as much as digits as its factorization.

12031333122779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 12031333122779 in words is "twelve trillion, thirty-one billion, three hundred thirty-three million, one hundred twenty-two thousand, seven hundred seventy-nine".