12321211232 has 36 divisors (see below), whose sum is σ = 26663084028. Its totient is φ = 5600548800.

The previous prime is 12321211229. The next prime is 12321211247. The reversal of 12321211232 is 23211212321.

12321211232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1587194 + ... + 1594937.

It is an arithmetic number, because the mean of its divisors is an integer number (740641223).

Almost surely, 2^12321211232 is an apocalyptic number.

It is an amenable number.

12321211232 is an abundant number, since it is smaller than the sum of its proper divisors (14341872796).

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

12321211232 is a wasteful number, since it uses less digits than its factorization.

12321211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182163 (or 3182144 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 12321211232 its reverse (23211212321), we get a palindrome (35532423553).

The spelling of 12321211232 in words is "twelve billion, three hundred twenty-one million, two hundred eleven thousand, two hundred thirty-two".