312404401222297 has 2 divisors, whose sum is σ = 312404401222298. Its totient is φ = 312404401222296.

The previous prime is 312404401222261. The next prime is 312404401222321. The reversal of 312404401222297 is 792222104404213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256422446134416 + 55981955087881 = 16013196^2 + 7482109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312404401222297 is a prime.

It is not a weakly prime, because it can be changed into another prime (312404401222897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156202200611148 + 156202200611149.

It is an arithmetic number, because the mean of its divisors is an integer number (156202200611149).

Almost surely, 2^{312404401222297} is an apocalyptic number.

It is an amenable number.

312404401222297 is a deficient number, since it is larger than the sum of its proper divisors (1).

312404401222297 is an equidigital number, since it uses as much as digits as its factorization.

312404401222297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 312404401222297 in words is "three hundred twelve trillion, four hundred four billion, four hundred one million, two hundred twenty-two thousand, two hundred ninety-seven".