12032032123 has 16 divisors (see below), whose sum is σ = 12298438656. Its totient is φ = 11768486400.

The previous prime is 12032032039. The next prime is 12032032147. The reversal of 12032032123 is 32123023021.

It is a cyclic number.

It is not a de Polignac number, because 12032032123 - 2²¹ = 12029934971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12032032123.

It is not an unprimeable number, because it can be changed into a prime (12032032163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7514523 + ... + 7516123.

It is an arithmetic number, because the mean of its divisors is an integer number (768652416).

Almost surely, 2^12032032123 is an apocalyptic number.

12032032123 is a deficient number, since it is larger than the sum of its proper divisors (266406533).

12032032123 is a wasteful number, since it uses less digits than its factorization.

12032032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12032032123 its reverse (32123023021), we get a palindrome (44155055144).

The spelling of 12032032123 in words is "twelve billion, thirty-two million, thirty-two thousand, one hundred twenty-three".