12212222311 has 2 divisors, whose sum is σ = 12212222312. Its totient is φ = 12212222310.

The previous prime is 12212222293. The next prime is 12212222339. The reversal of 12212222311 is 11322221221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212222311 - 2²⁷ = 12078004583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212222371) 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, 6106111155 + 6106111156.

It is an arithmetic number, because the mean of its divisors is an integer number (6106111156).

Almost surely, 2^12212222311 is an apocalyptic number.

12212222311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212222311 is an equidigital number, since it uses as much as digits as its factorization.

12212222311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

Adding to 12212222311 its reverse (11322221221), we get a palindrome (23534443532).

The spelling of 12212222311 in words is "twelve billion, two hundred twelve million, two hundred twenty-two thousand, three hundred eleven".