12133144441 has 16 divisors (see below), whose sum is σ = 13367245248. Its totient is φ = 11012200320.

The previous prime is 12133144433. The next prime is 12133144487. The reversal of 12133144441 is 14444133121.

It is not a de Polignac number, because 12133144441 - 2³ = 12133144433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133147441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848745 + ... + 862921.

It is an arithmetic number, because the mean of its divisors is an integer number (835452828).

Almost surely, 2^12133144441 is an apocalyptic number.

12133144441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12133144441 is a deficient number, since it is larger than the sum of its proper divisors (1234100807).

12133144441 is an equidigital number, since it uses as much as digits as its factorization.

12133144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853 (or 14831 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 12133144441 its reverse (14444133121), we get a palindrome (26577277562).

The spelling of 12133144441 in words is "twelve billion, one hundred thirty-three million, one hundred forty-four thousand, four hundred forty-one".