12743881099 has 2 divisors, whose sum is σ = 12743881100. Its totient is φ = 12743881098.

The previous prime is 12743881097. The next prime is 12743881159. The reversal of 12743881099 is 99018834721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12743881099 - 2¹ = 12743881097 is a prime.

Together with 12743881097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12743881091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6371940549 + 6371940550.

It is an arithmetic number, because the mean of its divisors is an integer number (6371940550).

Almost surely, 2^12743881099 is an apocalyptic number.

12743881099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12743881099 is an equidigital number, since it uses as much as digits as its factorization.

12743881099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 12743881099 in words is "twelve billion, seven hundred forty-three million, eight hundred eighty-one thousand, ninety-nine".