12426112399 has 2 divisors, whose sum is σ = 12426112400. Its totient is φ = 12426112398.

The previous prime is 12426112381. The next prime is 12426112427. The reversal of 12426112399 is 99321162421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12426112399 - 2⁵ = 12426112367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12426112339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213056199 + 6213056200.

It is an arithmetic number, because the mean of its divisors is an integer number (6213056200).

Almost surely, 2^12426112399 is an apocalyptic number.

12426112399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426112399 is an equidigital number, since it uses as much as digits as its factorization.

12426112399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The spelling of 12426112399 in words is "twelve billion, four hundred twenty-six million, one hundred twelve thousand, three hundred ninety-nine".