12304203999 has 4 divisors (see below), whose sum is σ = 16405605336. Its totient is φ = 8202802664.

The previous prime is 12304203991. The next prime is 12304204001. The reversal of 12304203999 is 99930240321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12304203999 - 2³ = 12304203991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12304203999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304203991) 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 in 3 ways as a sum of consecutive naturals, for example, 2050700664 + ... + 2050700669.

It is an arithmetic number, because the mean of its divisors is an integer number (4101401334).

Almost surely, 2^12304203999 is an apocalyptic number.

12304203999 is a deficient number, since it is larger than the sum of its proper divisors (4101401337).

12304203999 is an equidigital number, since it uses as much as digits as its factorization.

12304203999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101401336.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 12304203999 in words is "twelve billion, three hundred four million, two hundred three thousand, nine hundred ninety-nine".