12044045513 has 4 divisors (see below), whose sum is σ = 12046009728. Its totient is φ = 12042081300.

The previous prime is 12044045467. The next prime is 12044045557. The reversal of 12044045513 is 31554044021.

12044045513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31554044021 = 19 ⋅1660739159.

It is a cyclic number.

It is not a de Polignac number, because 12044045513 - 2²⁰ = 12042996937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12044075513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972881 + ... + 985182.

It is an arithmetic number, because the mean of its divisors is an integer number (3011502432).

Almost surely, 2^12044045513 is an apocalyptic number.

It is an amenable number.

12044045513 is a deficient number, since it is larger than the sum of its proper divisors (1964215).

12044045513 is an equidigital number, since it uses as much as digits as its factorization.

12044045513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964214.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 12044045513 its reverse (31554044021), we get a palindrome (43598089534).

The spelling of 12044045513 in words is "twelve billion, forty-four million, forty-five thousand, five hundred thirteen".