12213313303231 has 2 divisors, whose sum is σ = 12213313303232. Its totient is φ = 12213313303230.

The previous prime is 12213313303229. The next prime is 12213313303277. The reversal of 12213313303231 is 13230331331221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213313303231 - 2¹ = 12213313303229 is a prime.

It is a super-2 number, since 2×12213313303231² (a number of 27 digits) contains 22 as substring.

Together with 12213313303229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12213313303231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213313303211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106656651615 + 6106656651616.

It is an arithmetic number, because the mean of its divisors is an integer number (6106656651616).

Almost surely, 2^{12213313303231} is an apocalyptic number.

12213313303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213313303231 is an equidigital number, since it uses as much as digits as its factorization.

12213313303231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 12213313303231 its reverse (13230331331221), we get a palindrome (25443644634452).

The spelling of 12213313303231 in words is "twelve trillion, two hundred thirteen billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".