12001311223079 has 2 divisors, whose sum is σ = 12001311223080. Its totient is φ = 12001311223078.

The previous prime is 12001311223067. The next prime is 12001311223207. The reversal of 12001311223079 is 97032211310021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001311223079 - 2²⁴ = 12001294445863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001311223049) 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, 6000655611539 + 6000655611540.

It is an arithmetic number, because the mean of its divisors is an integer number (6000655611540).

Almost surely, 2^{12001311223079} is an apocalyptic number.

12001311223079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001311223079 is an equidigital number, since it uses as much as digits as its factorization.

12001311223079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 12001311223079 in words is "twelve trillion, one billion, three hundred eleven million, two hundred twenty-three thousand, seventy-nine".