312222112633 has 2 divisors, whose sum is σ = 312222112634. Its totient is φ = 312222112632.

The previous prime is 312222112627. The next prime is 312222112667. The reversal of 312222112633 is 336211222213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309879262224 + 2342850409 = 556668^2 + 48403^2 .

It is a cyclic number.

It is not a de Polignac number, because 312222112633 - 2⁹ = 312222112121 is a prime.

It is not a weakly prime, because it can be changed into another prime (312222112613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156111056316 + 156111056317.

It is an arithmetic number, because the mean of its divisors is an integer number (156111056317).

Almost surely, 2^312222112633 is an apocalyptic number.

It is an amenable number.

312222112633 is a deficient number, since it is larger than the sum of its proper divisors (1).

312222112633 is an equidigital number, since it uses as much as digits as its factorization.

312222112633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

Adding to 312222112633 its reverse (336211222213), we get a palindrome (648433334846).

The spelling of 312222112633 in words is "three hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, six hundred thirty-three".