12242217149917 has 2 divisors, whose sum is σ = 12242217149918. Its totient is φ = 12242217149916.

The previous prime is 12242217149909. The next prime is 12242217149951. The reversal of 12242217149917 is 71994171224221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12028279448761 + 213937701156 = 3468181^2 + 462534^2 .

It is a cyclic number.

It is not a de Polignac number, because 12242217149917 - 2³ = 12242217149909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12242217149017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121108574958 + 6121108574959.

It is an arithmetic number, because the mean of its divisors is an integer number (6121108574959).

Almost surely, 2^{12242217149917} is an apocalyptic number.

It is an amenable number.

12242217149917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242217149917 is an equidigital number, since it uses as much as digits as its factorization.

12242217149917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 52.

The spelling of 12242217149917 in words is "twelve trillion, two hundred forty-two billion, two hundred seventeen million, one hundred forty-nine thousand, nine hundred seventeen".