4032112321 has 4 divisors (see below), whose sum is σ = 4047801732. Its totient is φ = 4016422912.

The previous prime is 4032112297. The next prime is 4032112367. The reversal of 4032112321 is 1232112304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2012868225 + 2019244096 = 44865^2 + 44936^2 .

It is a cyclic number.

It is not a de Polignac number, because 4032112321 - 2⁵ = 4032112289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4032112391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844320 + ... + 7844833.

It is an arithmetic number, because the mean of its divisors is an integer number (1011950433).

Almost surely, 2^4032112321 is an apocalyptic number.

It is an amenable number.

4032112321 is a deficient number, since it is larger than the sum of its proper divisors (15689411).

4032112321 is a wasteful number, since it uses less digits than its factorization.

4032112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15689410.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4032112321 is about 63498.9159041318. The cubic root of 4032112321 is about 1591.6376625082.

Adding to 4032112321 its reverse (1232112304), we get a palindrome (5264224625).

The spelling of 4032112321 in words is "four billion, thirty-two million, one hundred twelve thousand, three hundred twenty-one".