12999390403 has 2 divisors, whose sum is σ = 12999390404. Its totient is φ = 12999390402.

The previous prime is 12999390367. The next prime is 12999390407. The reversal of 12999390403 is 30409399921.

12999390403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12999390403 - 2¹⁷ = 12999259331 is a prime.

It is not a weakly prime, because it can be changed into another prime (12999390407) 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, 6499695201 + 6499695202.

It is an arithmetic number, because the mean of its divisors is an integer number (6499695202).

Almost surely, 2^12999390403 is an apocalyptic number.

12999390403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12999390403 is an equidigital number, since it uses as much as digits as its factorization.

12999390403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 12999390403 in words is "twelve billion, nine hundred ninety-nine million, three hundred ninety thousand, four hundred three".