12213232189 has 2 divisors, whose sum is σ = 12213232190. Its totient is φ = 12213232188.

The previous prime is 12213232177. The next prime is 12213232249. The reversal of 12213232189 is 98123231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10103667289 + 2109564900 = 100517^2 + 45930^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213232189 - 2¹⁵ = 12213199421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213232169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106616094 + 6106616095.

It is an arithmetic number, because the mean of its divisors is an integer number (6106616095).

Almost surely, 2^12213232189 is an apocalyptic number.

It is an amenable number.

12213232189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213232189 is an equidigital number, since it uses as much as digits as its factorization.

12213232189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The spelling of 12213232189 in words is "twelve billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred eighty-nine".