12322222320 has 80 divisors (see below), whose sum is σ = 38222366112. Its totient is φ = 3283906560.

The previous prime is 12322222313. The next prime is 12322222343. The reversal of 12322222320 is 2322222321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398124 + ... + 427956.

Almost surely, 2^12322222320 is an apocalyptic number.

12322222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322222320 is an abundant number, since it is smaller than the sum of its proper divisors (25900143792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322222320 is a wasteful number, since it uses less digits than its factorization.

12322222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31570 (or 31564 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12322222320 its reverse (2322222321), we get a palindrome (14644444641).

Subtracting from 12322222320 its reverse (2322222321), we obtain a palindrome (9999999999).

The spelling of 12322222320 in words is "twelve billion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty".