12044138783 has 4 divisors (see below), whose sum is σ = 12059027280. Its totient is φ = 12029250288.

The previous prime is 12044138759. The next prime is 12044138789. The reversal of 12044138783 is 38783144021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12044138783 - 2⁶ = 12044138719 is a prime.

It is a super-2 number, since 2×12044138783² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12044138783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044138789) 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, 7443035 + ... + 7444652.

It is an arithmetic number, because the mean of its divisors is an integer number (3014756820).

Almost surely, 2^12044138783 is an apocalyptic number.

12044138783 is a deficient number, since it is larger than the sum of its proper divisors (14888497).

12044138783 is an equidigital number, since it uses as much as digits as its factorization.

12044138783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14888496.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 12044138783 in words is "twelve billion, forty-four million, one hundred thirty-eight thousand, seven hundred eighty-three".