212244231223 has 2 divisors, whose sum is σ = 212244231224. Its totient is φ = 212244231222.

The previous prime is 212244231169. The next prime is 212244231253. The reversal of 212244231223 is 322132442212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212244231223 - 2³⁷ = 74805277751 is a prime.

It is a super-2 number, since 2×212244231223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212244231191 and 212244231200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212244231253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106122115611 + 106122115612.

It is an arithmetic number, because the mean of its divisors is an integer number (106122115612).

Almost surely, 2^212244231223 is an apocalyptic number.

212244231223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212244231223 is an equidigital number, since it uses as much as digits as its factorization.

212244231223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

Adding to 212244231223 its reverse (322132442212), we get a palindrome (534376673435).

The spelling of 212244231223 in words is "two hundred twelve billion, two hundred forty-four million, two hundred thirty-one thousand, two hundred twenty-three".