12357727699 has 12 divisors (see below), whose sum is σ = 13205274600. Its totient is φ = 11532505248.

The previous prime is 12357727691. The next prime is 12357727709. The reversal of 12357727699 is 99672775321.

It is not a de Polignac number, because 12357727699 - 2³ = 12357727691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12357727691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12847 + ... + 157735.

It is an arithmetic number, because the mean of its divisors is an integer number (1100439550).

Almost surely, 2^12357727699 is an apocalyptic number.

12357727699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12357727699 is a deficient number, since it is larger than the sum of its proper divisors (847546901).

12357727699 is an equidigital number, since it uses as much as digits as its factorization.

12357727699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145042 (or 144975 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 58.

The spelling of 12357727699 in words is "twelve billion, three hundred fifty-seven million, seven hundred twenty-seven thousand, six hundred ninety-nine".