312222323330312 has 16 divisors (see below), whose sum is σ = 585417830471100. Its totient is φ = 156110901871360.

The previous prime is 312222323330297. The next prime is 312222323330317. The reversal of 312222323330312 is 213033323222213.

It can be written as a sum of positive squares in 2 ways, for example, as 259956739834276 + 52265583496036 = 16123174^2 + 7229494^2 .

It is not an unprimeable number, because it can be changed into a prime (312222323330317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27318389 + ... + 37023492.

Almost surely, 2^{312222323330312} is an apocalyptic number.

It is an amenable number.

312222323330312 is a deficient number, since it is larger than the sum of its proper divisors (273195507140788).

312222323330312 is a wasteful number, since it uses less digits than its factorization.

312222323330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64948456 (or 64948452 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 312222323330312 its reverse (213033323222213), we get a palindrome (525255646552525).

The spelling of 312222323330312 in words is "three hundred twelve trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred thirty thousand, three hundred twelve".