12103433009 has 2 divisors, whose sum is σ = 12103433010. Its totient is φ = 12103433008.

The previous prime is 12103432993. The next prime is 12103433021. The reversal of 12103433009 is 90033430121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11831347984 + 272085025 = 108772^2 + 16495^2 .

It is an emirp because it is prime and its reverse (90033430121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12103433009 - 2⁴ = 12103432993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103433059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051716504 + 6051716505.

It is an arithmetic number, because the mean of its divisors is an integer number (6051716505).

Almost surely, 2^12103433009 is an apocalyptic number.

It is an amenable number.

12103433009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103433009 is an equidigital number, since it uses as much as digits as its factorization.

12103433009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 12103433009 in words is "twelve billion, one hundred three million, four hundred thirty-three thousand, nine".