12003440441 has 4 divisors (see below), whose sum is σ = 12006098832. Its totient is φ = 12000782052.

The previous prime is 12003440387. The next prime is 12003440479. The reversal of 12003440441 is 14404430021.

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 12003440441 - 2²² = 11999246137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003440641) 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, 1322411 + ... + 1331456.

It is an arithmetic number, because the mean of its divisors is an integer number (3001524708).

Almost surely, 2^12003440441 is an apocalyptic number.

It is an amenable number.

12003440441 is a deficient number, since it is larger than the sum of its proper divisors (2658391).

12003440441 is an equidigital number, since it uses as much as digits as its factorization.

12003440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658390.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12003440441 its reverse (14404430021), we get a palindrome (26407870462).

The spelling of 12003440441 in words is "twelve billion, three million, four hundred forty thousand, four hundred forty-one".