3122112321 has 12 divisors (see below), whose sum is σ = 4619711460. Its totient is φ = 2030641920.

The previous prime is 3122112289. The next prime is 3122112341. The reversal of 3122112321 is 1232112213.

3122112321 is a `hidden beast` number, since 312 + 21 + 12 + 321 = 666.

3122112321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 971007921 + 2151104400 = 31161^2 + 46380^2 .

It is not a de Polignac number, because 3122112321 - 2⁵ = 3122112289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3122112294 and 3122112303.

It is not an unprimeable number, because it can be changed into a prime (3122112341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4230136 + ... + 4230873.

It is an arithmetic number, because the mean of its divisors is an integer number (384975955).

Almost surely, 2^3122112321 is an apocalyptic number.

It is an amenable number.

3122112321 is a deficient number, since it is larger than the sum of its proper divisors (1497599139).

3122112321 is a wasteful number, since it uses less digits than its factorization.

3122112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461056 (or 8461053 counting only the distinct ones).

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

The square root of 3122112321 is about 55875.8652818907. The cubic root of 3122112321 is about 1461.5584036797.

Adding to 3122112321 its reverse (1232112213), we get a palindrome (4354224534).

The spelling of 3122112321 in words is "three billion, one hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".