12143032132 has 24 divisors (see below), whose sum is σ = 26493888960. Its totient is φ = 4731051360.

The previous prime is 12143032123. The next prime is 12143032133. The reversal of 12143032132 is 23123034121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12143032133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19712407 + ... + 19713022.

It is an arithmetic number, because the mean of its divisors is an integer number (1103912040).

Almost surely, 2^12143032132 is an apocalyptic number.

It is an amenable number.

12143032132 is an abundant number, since it is smaller than the sum of its proper divisors (14350856828).

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

12143032132 is a wasteful number, since it uses less digits than its factorization.

12143032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39425451 (or 39425449 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12143032132 its reverse (23123034121), we get a palindrome (35266066253).

The spelling of 12143032132 in words is "twelve billion, one hundred forty-three million, thirty-two thousand, one hundred thirty-two".