12044351013 has 4 divisors (see below), whose sum is σ = 16059134688. Its totient is φ = 8029567340.

The previous prime is 12044350993. The next prime is 12044351069. The reversal of 12044351013 is 31015344021.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 12044351013 - 2⁹ = 12044350501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044351093) 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, 2007391833 + ... + 2007391838.

It is an arithmetic number, because the mean of its divisors is an integer number (4014783672).

Almost surely, 2^12044351013 is an apocalyptic number.

It is an amenable number.

12044351013 is a deficient number, since it is larger than the sum of its proper divisors (4014783675).

12044351013 is an equidigital number, since it uses as much as digits as its factorization.

12044351013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014783674.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12044351013 its reverse (31015344021), we get a palindrome (43059695034).

The spelling of 12044351013 in words is "twelve billion, forty-four million, three hundred fifty-one thousand, thirteen".