12044727799 has 4 divisors (see below), whose sum is σ = 12971245336. Its totient is φ = 11118210264.

The previous prime is 12044727781. The next prime is 12044727803. The reversal of 12044727799 is 99772744021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99772744021 = 29 ⋅3440439449.

It is a cyclic number.

It is not a de Polignac number, because 12044727799 - 2⁷ = 12044727671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044725799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463258749 + ... + 463258774.

It is an arithmetic number, because the mean of its divisors is an integer number (3242811334).

Almost surely, 2^12044727799 is an apocalyptic number.

12044727799 is a deficient number, since it is larger than the sum of its proper divisors (926517537).

12044727799 is an equidigital number, since it uses as much as digits as its factorization.

12044727799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926517536.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 12044727799 in words is "twelve billion, forty-four million, seven hundred twenty-seven thousand, seven hundred ninety-nine".