12322121117 has 2 divisors, whose sum is σ = 12322121118. Its totient is φ = 12322121116.

The previous prime is 12322121113. The next prime is 12322121179. The reversal of 12322121117 is 71112122321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7449243481 + 4872877636 = 86309^2 + 69806^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322121117 - 2² = 12322121113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12322121092 and 12322121101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161060558 + 6161060559.

It is an arithmetic number, because the mean of its divisors is an integer number (6161060559).

Almost surely, 2^12322121117 is an apocalyptic number.

It is an amenable number.

12322121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322121117 is an equidigital number, since it uses as much as digits as its factorization.

12322121117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

Adding to 12322121117 its reverse (71112122321), we get a palindrome (83434243438).

The spelling of 12322121117 in words is "twelve billion, three hundred twenty-two million, one hundred twenty-one thousand, one hundred seventeen".