12321211208 has 32 divisors (see below), whose sum is σ = 23956128000. Its totient is φ = 5933928000.

The previous prime is 12321211187. The next prime is 12321211211. The reversal of 12321211208 is 80211212321.

12321211208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12321211208³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33833 + ... + 160583.

It is an arithmetic number, because the mean of its divisors is an integer number (748629000).

Almost surely, 2^12321211208 is an apocalyptic number.

It is an amenable number.

12321211208 is a deficient number, since it is larger than the sum of its proper divisors (11634916792).

12321211208 is a wasteful number, since it uses less digits than its factorization.

12321211208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127205 (or 127201 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12321211208 its reverse (80211212321), we get a palindrome (92532423529).

The spelling of 12321211208 in words is "twelve billion, three hundred twenty-one million, two hundred eleven thousand, two hundred eight".