12213323230117 has 2 divisors, whose sum is σ = 12213323230118. Its totient is φ = 12213323230116.

The previous prime is 12213323230019. The next prime is 12213323230123. The reversal of 12213323230117 is 71103232331221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10739214001476 + 1474109228641 = 3277074^2 + 1214129^2 .

It is an emirp because it is prime and its reverse (71103232331221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213323230117 - 2²³ = 12213314841509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213323230177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106661615058 + 6106661615059.

It is an arithmetic number, because the mean of its divisors is an integer number (6106661615059).

Almost surely, 2^{12213323230117} is an apocalyptic number.

It is an amenable number.

12213323230117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213323230117 is an equidigital number, since it uses as much as digits as its factorization.

12213323230117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 12213323230117 its reverse (71103232331221), we get a palindrome (83316555561338).

The spelling of 12213323230117 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, two hundred thirty thousand, one hundred seventeen".