12211214244 has 12 divisors (see below), whose sum is σ = 28492833264. Its totient is φ = 4070404744.

The previous prime is 12211214227. The next prime is 12211214251. The reversal of 12211214244 is 44241211221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12211214244² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508800582 + ... + 508800605.

It is an arithmetic number, because the mean of its divisors is an integer number (2374402772).

Almost surely, 2^12211214244 is an apocalyptic number.

It is an amenable number.

12211214244 is an abundant number, since it is smaller than the sum of its proper divisors (16281619020).

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

12211214244 is a wasteful number, since it uses less digits than its factorization.

12211214244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017601194 (or 1017601192 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

Adding to 12211214244 its reverse (44241211221), we get a palindrome (56452425465).

The spelling of 12211214244 in words is "twelve billion, two hundred eleven million, two hundred fourteen thousand, two hundred forty-four".