12326416002161 has 2 divisors, whose sum is σ = 12326416002162. Its totient is φ = 12326416002160.

The previous prime is 12326416002133. The next prime is 12326416002191. The reversal of 12326416002161 is 16120061462321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10801450341136 + 1524965661025 = 3286556^2 + 1234895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12326416002161 is a prime.

It is not a weakly prime, because it can be changed into another prime (12326416002191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163208001080 + 6163208001081.

It is an arithmetic number, because the mean of its divisors is an integer number (6163208001081).

Almost surely, 2^{12326416002161} is an apocalyptic number.

It is an amenable number.

12326416002161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326416002161 is an equidigital number, since it uses as much as digits as its factorization.

12326416002161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 12326416002161 its reverse (16120061462321), we get a palindrome (28446477464482).

The spelling of 12326416002161 in words is "twelve trillion, three hundred twenty-six billion, four hundred sixteen million, two thousand, one hundred sixty-one".