13212112211297 has 2 divisors, whose sum is σ = 13212112211298. Its totient is φ = 13212112211296.

The previous prime is 13212112211227. The next prime is 13212112211321. The reversal of 13212112211297 is 79211221121231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9119457784336 + 4092654426961 = 3019844^2 + 2023031^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212112211297 - 2²⁶ = 13212045102433 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212112211227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606056105648 + 6606056105649.

It is an arithmetic number, because the mean of its divisors is an integer number (6606056105649).

Almost surely, 2^{13212112211297} is an apocalyptic number.

It is an amenable number.

13212112211297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212112211297 is an equidigital number, since it uses as much as digits as its factorization.

13212112211297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The spelling of 13212112211297 in words is "thirteen trillion, two hundred twelve billion, one hundred twelve million, two hundred eleven thousand, two hundred ninety-seven".