12132144441 has 10 divisors (see below), whose sum is σ = 18123327002. Its totient is φ = 8088096240.

The previous prime is 12132144439. The next prime is 12132144449. The reversal of 12132144441 is 14444123121.

12132144441 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 214 + 4 + 441 = 666.

12132144441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7690588416 + 4441556025 = 87696^2 + 66645^2 .

It is not a de Polignac number, because 12132144441 - 2¹ = 12132144439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132144449) 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 9 ways as a sum of consecutive naturals, for example, 74889700 + ... + 74889861.

Almost surely, 2^12132144441 is an apocalyptic number.

It is an amenable number.

12132144441 is a deficient number, since it is larger than the sum of its proper divisors (5991182561).

12132144441 is an equidigital number, since it uses as much as digits as its factorization.

12132144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149779573 (or 149779564 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 12132144441 its reverse (14444123121), we get a palindrome (26576267562).

The spelling of 12132144441 in words is "twelve billion, one hundred thirty-two million, one hundred forty-four thousand, four hundred forty-one".