12331323132217 has 2 divisors, whose sum is σ = 12331323132218. Its totient is φ = 12331323132216.

The previous prime is 12331323132197. The next prime is 12331323132241. The reversal of 12331323132217 is 71223132313321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7065968759721 + 5265354372496 = 2658189^2 + 2294636^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331323132217 - 2²³ = 12331314743609 is a prime.

It is not a weakly prime, because it can be changed into another prime (12331323132517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165661566108 + 6165661566109.

It is an arithmetic number, because the mean of its divisors is an integer number (6165661566109).

Almost surely, 2^{12331323132217} is an apocalyptic number.

It is an amenable number.

12331323132217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331323132217 is an equidigital number, since it uses as much as digits as its factorization.

12331323132217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

Adding to 12331323132217 its reverse (71223132313321), we get a palindrome (83554455445538).

The spelling of 12331323132217 in words is "twelve trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred seventeen".