312212322364897 has 2 divisors, whose sum is σ = 312212322364898. Its totient is φ = 312212322364896.

The previous prime is 312212322364871. The next prime is 312212322364931. The reversal of 312212322364897 is 798463223212213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213747207049216 + 98465115315681 = 14620096^2 + 9922959^2 .

It is a cyclic number.

It is not a de Polignac number, because 312212322364897 - 2⁷ = 312212322364769 is a prime.

It is not a weakly prime, because it can be changed into another prime (312212322364807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106161182448 + 156106161182449.

It is an arithmetic number, because the mean of its divisors is an integer number (156106161182449).

Almost surely, 2^{312212322364897} is an apocalyptic number.

It is an amenable number.

312212322364897 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212322364897 is an equidigital number, since it uses as much as digits as its factorization.

312212322364897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 55.

The spelling of 312212322364897 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, three hundred sixty-four thousand, eight hundred ninety-seven".