1322112321 has 96 divisors (see below), whose sum is σ = 2238451200. Its totient is φ = 768268800.

The previous prime is 1322112293. The next prime is 1322112331. The reversal of 1322112321 is 1232112231.

1322112321 is a `hidden beast` number, since 132 + 211 + 2 + 321 = 666.

It is not a de Polignac number, because 1322112321 - 2⁶ = 1322112257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322112294 and 1322112303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322112331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13090171 + ... + 13090271.

It is an arithmetic number, because the mean of its divisors is an integer number (23317200).

Almost surely, 2^1322112321 is an apocalyptic number.

It is an amenable number.

1322112321 is a deficient number, since it is larger than the sum of its proper divisors (916338879).

1322112321 is a wasteful number, since it uses less digits than its factorization.

1322112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 219 counting only the distinct ones).

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

The square root of 1322112321 is about 36360.8624897705. The cubic root of 1322112321 is about 1097.5461335969.

Adding to 1322112321 its reverse (1232112231), we get a palindrome (2554224552).

The spelling of 1322112321 in words is "one billion, three hundred twenty-two million, one hundred twelve thousand, three hundred twenty-one".