12144111132 has 12 divisors (see below), whose sum is σ = 28336259336. Its totient is φ = 4048037040.

The previous prime is 12144111097. The next prime is 12144111173. The reversal of 12144111132 is 23111144121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12144111099 and 12144111108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506004619 + ... + 506004642.

Almost surely, 2^12144111132 is an apocalyptic number.

12144111132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12144111132 is an abundant number, since it is smaller than the sum of its proper divisors (16192148204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12144111132 is a wasteful number, since it uses less digits than its factorization.

12144111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012009268 (or 1012009266 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

Adding to 12144111132 its reverse (23111144121), we get a palindrome (35255255253).

The spelling of 12144111132 in words is "twelve billion, one hundred forty-four million, one hundred eleven thousand, one hundred thirty-two".