312210001223 has 2 divisors, whose sum is σ = 312210001224. Its totient is φ = 312210001222.

The previous prime is 312210001141. The next prime is 312210001241. The reversal of 312210001223 is 322100012213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312210001223 - 2⁸ = 312210000967 is a prime.

It is a super-2 number, since 2×312210001223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312210001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105000611 + 156105000612.

It is an arithmetic number, because the mean of its divisors is an integer number (156105000612).

Almost surely, 2^312210001223 is an apocalyptic number.

312210001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

312210001223 is an equidigital number, since it uses as much as digits as its factorization.

312210001223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312210001223 its reverse (322100012213), we get a palindrome (634310013436).

The spelling of 312210001223 in words is "three hundred twelve billion, two hundred ten million, one thousand, two hundred twenty-three".