12213131211311 has 2 divisors, whose sum is σ = 12213131211312. Its totient is φ = 12213131211310.

The previous prime is 12213131211287. The next prime is 12213131211319. The reversal of 12213131211311 is 11311213131221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12213131211311 - 2³⁰ = 12212057469487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213131211319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106565605655 + 6106565605656.

It is an arithmetic number, because the mean of its divisors is an integer number (6106565605656).

Almost surely, 2^{12213131211311} is an apocalyptic number.

12213131211311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213131211311 is an equidigital number, since it uses as much as digits as its factorization.

12213131211311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

Adding to 12213131211311 its reverse (11311213131221), we get a palindrome (23524344342532).

The spelling of 12213131211311 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred eleven thousand, three hundred eleven".