122312112332161 has 2 divisors, whose sum is σ = 122312112332162. Its totient is φ = 122312112332160.

The previous prime is 122312112332131. The next prime is 122312112332203. The reversal of 122312112332161 is 161233211213221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66271077897025 + 56041034435136 = 8140705^2 + 7486056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122312112332161 is a prime.

It is not a weakly prime, because it can be changed into another prime (122312112332131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156056166080 + 61156056166081.

It is an arithmetic number, because the mean of its divisors is an integer number (61156056166081).

Almost surely, 2^{122312112332161} is an apocalyptic number.

It is an amenable number.

122312112332161 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312112332161 is an equidigital number, since it uses as much as digits as its factorization.

122312112332161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

Adding to 122312112332161 its reverse (161233211213221), we get a palindrome (283545323545382).

The spelling of 122312112332161 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twelve million, three hundred thirty-two thousand, one hundred sixty-one".