12223113121211 has 2 divisors, whose sum is σ = 12223113121212. Its totient is φ = 12223113121210.

The previous prime is 12223113121171. The next prime is 12223113121217. The reversal of 12223113121211 is 11212131132221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12223113121211 - 2¹⁴ = 12223113104827 is a prime.

It is not a weakly prime, because it can be changed into another prime (12223113121217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111556560605 + 6111556560606.

It is an arithmetic number, because the mean of its divisors is an integer number (6111556560606).

Almost surely, 2^{12223113121211} is an apocalyptic number.

12223113121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223113121211 is an equidigital number, since it uses as much as digits as its factorization.

12223113121211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 23.

Adding to 12223113121211 its reverse (11212131132221), we get a palindrome (23435244253432).

The spelling of 12223113121211 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred eleven".