12211303222 has 4 divisors (see below), whose sum is σ = 18316954836. Its totient is φ = 6105651610.

The previous prime is 12211303207. The next prime is 12211303253. The reversal of 12211303222 is 22230311221.

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 12211303222.

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, 3052825804 + ... + 3052825807.

It is an arithmetic number, because the mean of its divisors is an integer number (4579238709).

Almost surely, 2^12211303222 is an apocalyptic number.

12211303222 is a deficient number, since it is larger than the sum of its proper divisors (6105651614).

12211303222 is an equidigital number, since it uses as much as digits as its factorization.

12211303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105651613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12211303222 its reverse (22230311221), we get a palindrome (34441614443).

The spelling of 12211303222 in words is "twelve billion, two hundred eleven million, three hundred three thousand, two hundred twenty-two".