12320320122 has 24 divisors (see below), whose sum is σ = 29120757120. Its totient is φ = 3733430280.

The previous prime is 12320320109. The next prime is 12320320217. The reversal of 12320320122 is 22102302321.

12320320122 is a `hidden beast` number, since 1 + 2 + 320 + 320 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12320320095 and 12320320104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31111722 + ... + 31112117.

It is an arithmetic number, because the mean of its divisors is an integer number (1213364880).

Almost surely, 2^12320320122 is an apocalyptic number.

12320320122 is an abundant number, since it is smaller than the sum of its proper divisors (16800436998).

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

12320320122 is a wasteful number, since it uses less digits than its factorization.

12320320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62223858 (or 62223855 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12320320122 its reverse (22102302321), we get a palindrome (34422622443).

The spelling of 12320320122 in words is "twelve billion, three hundred twenty million, three hundred twenty thousand, one hundred twenty-two".