12783110399 has 2 divisors, whose sum is σ = 12783110400. Its totient is φ = 12783110398.

The previous prime is 12783110393. The next prime is 12783110443. The reversal of 12783110399 is 99301138721.

It is an a-pointer prime, because the next prime (12783110443) can be obtained adding 12783110399 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (99301138721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12783110399 - 2⁴ = 12783110383 is a prime.

It is a super-2 number, since 2×12783110399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12783110393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6391555199 + 6391555200.

It is an arithmetic number, because the mean of its divisors is an integer number (6391555200).

Almost surely, 2^12783110399 is an apocalyptic number.

12783110399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12783110399 is an equidigital number, since it uses as much as digits as its factorization.

12783110399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 12783110399 in words is "twelve billion, seven hundred eighty-three million, one hundred ten thousand, three hundred ninety-nine".