12243001222 has 4 divisors (see below), whose sum is σ = 18364501836. Its totient is φ = 6121500610.

The previous prime is 12243001201. The next prime is 12243001241. The reversal of 12243001222 is 22210034221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12243001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060750304 + ... + 3060750307.

It is an arithmetic number, because the mean of its divisors is an integer number (4591125459).

Almost surely, 2^12243001222 is an apocalyptic number.

12243001222 is a deficient number, since it is larger than the sum of its proper divisors (6121500614).

12243001222 is an equidigital number, since it uses as much as digits as its factorization.

12243001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121500613.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12243001222 its reverse (22210034221), we get a palindrome (34453035443).

The spelling of 12243001222 in words is "twelve billion, two hundred forty-three million, one thousand, two hundred twenty-two".