12032112123 has 48 divisors (see below), whose sum is σ = 18024795360. Its totient is φ = 7729344000.

The previous prime is 12032112089. The next prime is 12032112133. The reversal of 12032112123 is 32121123021.

It is not a de Polignac number, because 12032112123 - 2¹⁰ = 12032111099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12032112096 and 12032112105.

It is not an unprimeable number, because it can be changed into a prime (12032112133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21145783 + ... + 21146351.

It is an arithmetic number, because the mean of its divisors is an integer number (375516570).

Almost surely, 2^12032112123 is an apocalyptic number.

12032112123 is a deficient number, since it is larger than the sum of its proper divisors (5992683237).

12032112123 is a wasteful number, since it uses less digits than its factorization.

12032112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12032112123 its reverse (32121123021), we get a palindrome (44153235144).

The spelling of 12032112123 in words is "twelve billion, thirty-two million, one hundred twelve thousand, one hundred twenty-three".