12213332031331 has 2 divisors, whose sum is σ = 12213332031332. Its totient is φ = 12213332031330.

The previous prime is 12213332031287. The next prime is 12213332031343. The reversal of 12213332031331 is 13313023331221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12213332031331 - 2⁷ = 12213332031203 is a prime.

It is a super-2 number, since 2×12213332031331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12213332031331.

It is not a weakly prime, because it can be changed into another prime (12213332071331) 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, 6106666015665 + 6106666015666.

It is an arithmetic number, because the mean of its divisors is an integer number (6106666015666).

Almost surely, 2^{12213332031331} is an apocalyptic number.

12213332031331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213332031331 is an equidigital number, since it uses as much as digits as its factorization.

12213332031331 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 12213332031331 its reverse (13313023331221), we get a palindrome (25526355362552).

The spelling of 12213332031331 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-two million, thirty-one thousand, three hundred thirty-one".