12320444212 has 12 divisors (see below), whose sum is σ = 21586854240. Its totient is φ = 6152771576.

The previous prime is 12320444207. The next prime is 12320444239. The reversal of 12320444212 is 21244402321.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1858912 + ... + 1865527.

It is an arithmetic number, because the mean of its divisors is an integer number (1798904520).

Almost surely, 2^12320444212 is an apocalyptic number.

It is an amenable number.

12320444212 is a deficient number, since it is larger than the sum of its proper divisors (9266410028).

12320444212 is a wasteful number, since it uses less digits than its factorization.

12320444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725270 (or 3725268 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12320444212 its reverse (21244402321), we get a palindrome (33564846533).

The spelling of 12320444212 in words is "twelve billion, three hundred twenty million, four hundred forty-four thousand, two hundred twelve".