12231320302 has 16 divisors (see below), whose sum is σ = 18542098800. Its totient is φ = 6050940928.

The previous prime is 12231320221. The next prime is 12231320323. The reversal of 12231320302 is 20302313221.

12231320302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12231320302.

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 7 ways as a sum of consecutive naturals, for example, 3268 + ... + 156439.

It is an arithmetic number, because the mean of its divisors is an integer number (1158881175).

Almost surely, 2^12231320302 is an apocalyptic number.

12231320302 is a deficient number, since it is larger than the sum of its proper divisors (6310778498).

12231320302 is a wasteful number, since it uses less digits than its factorization.

12231320302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160115.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12231320302 its reverse (20302313221), we get a palindrome (32533633523).

The spelling of 12231320302 in words is "twelve billion, two hundred thirty-one million, three hundred twenty thousand, three hundred two".