12223231011989 has 2 divisors, whose sum is σ = 12223231011990. Its totient is φ = 12223231011988.

The previous prime is 12223231011919. The next prime is 12223231012021. The reversal of 12223231011989 is 98911013232221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10980329340964 + 1242901671025 = 3313658^2 + 1114855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223231011989 - 2²⁸ = 12222962576533 is a prime.

It is a super-2 number, since 2×12223231011989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223231011919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111615505994 + 6111615505995.

It is an arithmetic number, because the mean of its divisors is an integer number (6111615505995).

Almost surely, 2^{12223231011989} is an apocalyptic number.

It is an amenable number.

12223231011989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223231011989 is an equidigital number, since it uses as much as digits as its factorization.

12223231011989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 12223231011989 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, eleven thousand, nine hundred eighty-nine".