312212322430223 has 2 divisors, whose sum is σ = 312212322430224. Its totient is φ = 312212322430222.

The previous prime is 312212322430219. The next prime is 312212322430387. The reversal of 312212322430223 is 322034223212213.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322034223212213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312212322430223 - 2² = 312212322430219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312212322430223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312212322438223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106161215111 + 156106161215112.

It is an arithmetic number, because the mean of its divisors is an integer number (156106161215112).

Almost surely, 2^{312212322430223} is an apocalyptic number.

312212322430223 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212322430223 is an equidigital number, since it uses as much as digits as its factorization.

312212322430223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 312212322430223 its reverse (322034223212213), we get a palindrome (634246545642436).

The spelling of 312212322430223 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, four hundred thirty thousand, two hundred twenty-three".