12321004322 has 24 divisors (see below), whose sum is σ = 21014891100. Its totient is φ = 5407334240.

The previous prime is 12321004249. The next prime is 12321004331. The reversal of 12321004322 is 22340012321.

It can be written as a sum of positive squares in 2 ways, for example, as 10422572281 + 1898432041 = 102091^2 + 43571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12321004294 and 12321004303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 870797 + ... + 884832.

Almost surely, 2^12321004322 is an apocalyptic number.

12321004322 is a deficient number, since it is larger than the sum of its proper divisors (8693886778).

12321004322 is a wasteful number, since it uses less digits than its factorization.

12321004322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755682 (or 1755671 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12321004322 its reverse (22340012321), we get a palindrome (34661016643).

The spelling of 12321004322 in words is "twelve billion, three hundred twenty-one million, four thousand, three hundred twenty-two".