12240309899 has 2 divisors, whose sum is σ = 12240309900. Its totient is φ = 12240309898.

The previous prime is 12240309883. The next prime is 12240309943. The reversal of 12240309899 is 99890304221.

12240309899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12240309899 - 2⁴ = 12240309883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12240300899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120154949 + 6120154950.

It is an arithmetic number, because the mean of its divisors is an integer number (6120154950).

Almost surely, 2^12240309899 is an apocalyptic number.

12240309899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12240309899 is an equidigital number, since it uses as much as digits as its factorization.

12240309899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 12240309899 in words is "twelve billion, two hundred forty million, three hundred nine thousand, eight hundred ninety-nine".