12139743099 has 16 divisors (see below), whose sum is σ = 18266699520. Its totient is φ = 7103715360.

The previous prime is 12139743089. The next prime is 12139743107. The reversal of 12139743099 is 99034793121.

It is not a de Polignac number, because 12139743099 - 2⁵ = 12139743067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12139743079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341647 + ... + 6343560.

It is an arithmetic number, because the mean of its divisors is an integer number (1141668720).

Almost surely, 2^12139743099 is an apocalyptic number.

12139743099 is a deficient number, since it is larger than the sum of its proper divisors (6126956421).

12139743099 is a wasteful number, since it uses less digits than its factorization.

12139743099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685250.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 12139743099 in words is "twelve billion, one hundred thirty-nine million, seven hundred forty-three thousand, ninety-nine".