12299003909 has 2 divisors, whose sum is σ = 12299003910. Its totient is φ = 12299003908.

The previous prime is 12299003903. The next prime is 12299003911. The reversal of 12299003909 is 90930099221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12296592100 + 2411809 = 110890^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 12299003909 - 2¹² = 12298999813 is a prime.

Together with 12299003911, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12299003909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12299003903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6149501954 + 6149501955.

It is an arithmetic number, because the mean of its divisors is an integer number (6149501955).

Almost surely, 2^12299003909 is an apocalyptic number.

It is an amenable number.

12299003909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12299003909 is an equidigital number, since it uses as much as digits as its factorization.

12299003909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 12299003909 in words is "twelve billion, two hundred ninety-nine million, three thousand, nine hundred nine".