12044707919 has 4 divisors (see below), whose sum is σ = 12568390896. Its totient is φ = 11521024944.

The previous prime is 12044707793. The next prime is 12044707937. The reversal of 12044707919 is 91970744021.

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

It is not a de Polignac number, because 12044707919 - 2¹⁶ = 12044642383 is a prime.

It is a super-2 number, since 2×12044707919² (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 12044707919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044707979) 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, 261841454 + ... + 261841499.

It is an arithmetic number, because the mean of its divisors is an integer number (3142097724).

Almost surely, 2^12044707919 is an apocalyptic number.

12044707919 is a deficient number, since it is larger than the sum of its proper divisors (523682977).

12044707919 is an equidigital number, since it uses as much as digits as its factorization.

12044707919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523682976.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 12044707919 in words is "twelve billion, forty-four million, seven hundred seven thousand, nine hundred nineteen".