12144441113 has 24 divisors (see below), whose sum is σ = 14968108800. Its totient is φ = 9790720128.

The previous prime is 12144441103. The next prime is 12144441131. The reversal of 12144441113 is 31114444121.

It is a happy number.

It is not a de Polignac number, because 12144441113 - 2⁸ = 12144440857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144441103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561328 + ... + 1569086.

It is an arithmetic number, because the mean of its divisors is an integer number (623671200).

Almost surely, 2^12144441113 is an apocalyptic number.

It is an amenable number.

12144441113 is a deficient number, since it is larger than the sum of its proper divisors (2823667687).

12144441113 is a wasteful number, since it uses less digits than its factorization.

12144441113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669 (or 9662 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

Adding to 12144441113 its reverse (31114444121), we get a palindrome (43258885234).

The spelling of 12144441113 in words is "twelve billion, one hundred forty-four million, four hundred forty-one thousand, one hundred thirteen".