12433242209 has 2 divisors, whose sum is σ = 12433242210. Its totient is φ = 12433242208.

The previous prime is 12433242203. The next prime is 12433242233. The reversal of 12433242209 is 90224233421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12198539809 + 234702400 = 110447^2 + 15320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12433242209 - 2¹⁶ = 12433176673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12433242203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216621104 + 6216621105.

It is an arithmetic number, because the mean of its divisors is an integer number (6216621105).

Almost surely, 2^12433242209 is an apocalyptic number.

It is an amenable number.

12433242209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12433242209 is an equidigital number, since it uses as much as digits as its factorization.

12433242209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 12433242209 in words is "twelve billion, four hundred thirty-three million, two hundred forty-two thousand, two hundred nine".