12204432423109 has 2 divisors, whose sum is σ = 12204432423110. Its totient is φ = 12204432423108.

The previous prime is 12204432423103. The next prime is 12204432423143. The reversal of 12204432423109 is 90132423440221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10234381570884 + 1970050852225 = 3199122^2 + 1403585^2 .

It is an emirp because it is prime and its reverse (90132423440221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12204432423109 - 2³ = 12204432423101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12204432423101) 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, 6102216211554 + 6102216211555.

It is an arithmetic number, because the mean of its divisors is an integer number (6102216211555).

Almost surely, 2^{12204432423109} is an apocalyptic number.

It is an amenable number.

12204432423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204432423109 is an equidigital number, since it uses as much as digits as its factorization.

12204432423109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 12204432423109 in words is "twelve trillion, two hundred four billion, four hundred thirty-two million, four hundred twenty-three thousand, one hundred nine".