12032111123 has 4 divisors (see below), whose sum is σ = 12032330520. Its totient is φ = 12031891728.

The previous prime is 12032111101. The next prime is 12032111219. The reversal of 12032111123 is 32111123021.

12032111123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32111123021 = 47591 ⋅674731.

It is a cyclic number.

It is not a de Polignac number, because 12032111123 - 2⁶ = 12032111059 is a prime.

It is a super-2 number, since 2×12032111123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12032116123) 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 3 ways as a sum of consecutive naturals, for example, 52988 + ... + 163926.

It is an arithmetic number, because the mean of its divisors is an integer number (3008082630).

Almost surely, 2^12032111123 is an apocalyptic number.

12032111123 is a deficient number, since it is larger than the sum of its proper divisors (219397).

12032111123 is a wasteful number, since it uses less digits than its factorization.

12032111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219396.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12032111123 its reverse (32111123021), we get a palindrome (44143234144).

The spelling of 12032111123 in words is "twelve billion, thirty-two million, one hundred eleven thousand, one hundred twenty-three".