12223222313317 has 2 divisors, whose sum is σ = 12223222313318. Its totient is φ = 12223222313316.

The previous prime is 12223222313297. The next prime is 12223222313327. The reversal of 12223222313317 is 71331322232221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6602027052481 + 5621195260836 = 2569441^2 + 2370906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223222313317 - 2⁷ = 12223222313189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223222313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111611156658 + 6111611156659.

It is an arithmetic number, because the mean of its divisors is an integer number (6111611156659).

Almost surely, 2^{12223222313317} is an apocalyptic number.

It is an amenable number.

12223222313317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223222313317 is an equidigital number, since it uses as much as digits as its factorization.

12223222313317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 34.

Adding to 12223222313317 its reverse (71331322232221), we get a palindrome (83554544545538).

The spelling of 12223222313317 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred seventeen".