12603123316639 has 2 divisors, whose sum is σ = 12603123316640. Its totient is φ = 12603123316638.

The previous prime is 12603123316607. The next prime is 12603123316669. The reversal of 12603123316639 is 93661332130621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12603123316639 - 2⁵ = 12603123316607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603123316669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301561658319 + 6301561658320.

It is an arithmetic number, because the mean of its divisors is an integer number (6301561658320).

Almost surely, 2^{12603123316639} is an apocalyptic number.

12603123316639 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603123316639 is an equidigital number, since it uses as much as digits as its factorization.

12603123316639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 12603123316639 in words is "twelve trillion, six hundred three billion, one hundred twenty-three million, three hundred sixteen thousand, six hundred thirty-nine".