12213332221291 has 2 divisors, whose sum is σ = 12213332221292. Its totient is φ = 12213332221290.

The previous prime is 12213332221117. The next prime is 12213332221297. The reversal of 12213332221291 is 19212223331221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12213332221291 - 2¹⁵ = 12213332188523 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213332221297) 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, 6106666110645 + 6106666110646.

It is an arithmetic number, because the mean of its divisors is an integer number (6106666110646).

Almost surely, 2^{12213332221291} is an apocalyptic number.

12213332221291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213332221291 is an equidigital number, since it uses as much as digits as its factorization.

12213332221291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The spelling of 12213332221291 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-two million, two hundred twenty-one thousand, two hundred ninety-one".