312232126138897 has 2 divisors, whose sum is σ = 312232126138898. Its totient is φ = 312232126138896.

The previous prime is 312232126138789. The next prime is 312232126138909. The reversal of 312232126138897 is 798831621232213.

Together with previous prime (312232126138789) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255423812576256 + 56808313562641 = 15981984^2 + 7537129^2 .

It is a cyclic number.

It is not a de Polignac number, because 312232126138897 - 2¹⁹ = 312232125614609 is a prime.

It is not a weakly prime, because it can be changed into another prime (312232126133897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116063069448 + 156116063069449.

It is an arithmetic number, because the mean of its divisors is an integer number (156116063069449).

Almost surely, 2^{312232126138897} is an apocalyptic number.

It is an amenable number.

312232126138897 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232126138897 is an equidigital number, since it uses as much as digits as its factorization.

312232126138897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 58.

The spelling of 312232126138897 in words is "three hundred twelve trillion, two hundred thirty-two billion, one hundred twenty-six million, one hundred thirty-eight thousand, eight hundred ninety-seven".