12312233189 has 2 divisors, whose sum is σ = 12312233190. Its totient is φ = 12312233188.

The previous prime is 12312233179. The next prime is 12312233239. The reversal of 12312233189 is 98133221321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10231322500 + 2080910689 = 101150^2 + 45617^2 .

It is an emirp because it is prime and its reverse (98133221321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12312233189 - 2¹⁶ = 12312167653 is a prime.

It is a super-2 number, since 2×12312233189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312233179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156116594 + 6156116595.

It is an arithmetic number, because the mean of its divisors is an integer number (6156116595).

Almost surely, 2^12312233189 is an apocalyptic number.

It is an amenable number.

12312233189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312233189 is an equidigital number, since it uses as much as digits as its factorization.

12312233189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The spelling of 12312233189 in words is "twelve billion, three hundred twelve million, two hundred thirty-three thousand, one hundred eighty-nine".