12000013222 has 4 divisors (see below), whose sum is σ = 18000019836. Its totient is φ = 6000006610.

The previous prime is 12000013177. The next prime is 12000013253. The reversal of 12000013222 is 22231000021.

12000013222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3000003304 + ... + 3000003307.

It is an arithmetic number, because the mean of its divisors is an integer number (4500004959).

Almost surely, 2^12000013222 is an apocalyptic number.

12000013222 is a deficient number, since it is larger than the sum of its proper divisors (6000006614).

12000013222 is an equidigital number, since it uses as much as digits as its factorization.

12000013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000006613.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12000013222 its reverse (22231000021), we get a palindrome (34231013243).

The spelling of 12000013222 in words is "twelve billion, thirteen thousand, two hundred twenty-two".