12043009073 has 2 divisors, whose sum is σ = 12043009074. Its totient is φ = 12043009072.

The previous prime is 12043009031. The next prime is 12043009079. The reversal of 12043009073 is 37090034021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6758155264 + 5284853809 = 82208^2 + 72697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12043009073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12043009079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021504536 + 6021504537.

It is an arithmetic number, because the mean of its divisors is an integer number (6021504537).

Almost surely, 2^12043009073 is an apocalyptic number.

It is an amenable number.

12043009073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043009073 is an equidigital number, since it uses as much as digits as its factorization.

12043009073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 12043009073 in words is "twelve billion, forty-three million, nine thousand, seventy-three".