12033320309 has 2 divisors, whose sum is σ = 12033320310. Its totient is φ = 12033320308.

The previous prime is 12033320263. The next prime is 12033320333. The reversal of 12033320309 is 90302333021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10769873284 + 1263447025 = 103778^2 + 35545^2 .

It is a cyclic number.

It is not a de Polignac number, because 12033320309 - 2²⁴ = 12016543093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12033320339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016660154 + 6016660155.

It is an arithmetic number, because the mean of its divisors is an integer number (6016660155).

Almost surely, 2^12033320309 is an apocalyptic number.

It is an amenable number.

12033320309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12033320309 is an equidigital number, since it uses as much as digits as its factorization.

12033320309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The spelling of 12033320309 in words is "twelve billion, thirty-three million, three hundred twenty thousand, three hundred nine".