12211203440244 has 24 divisors (see below), whose sum is σ = 29262883920928. Its totient is φ = 3960390304800.

The previous prime is 12211203440243. The next prime is 12211203440269. The reversal of 12211203440244 is 44204430211221.

It is a super-2 number, since 2×12211203440244² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211203440243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751354782 + ... + 13751355669.

Almost surely, 2^{12211203440244} is an apocalyptic number.

It is an amenable number.

12211203440244 is an abundant number, since it is smaller than the sum of its proper divisors (17051680480684).

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

12211203440244 is a wasteful number, since it uses less digits than its factorization.

12211203440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502710495 (or 27502710493 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12211203440244 its reverse (44204430211221), we get a palindrome (56415633651465).

The spelling of 12211203440244 in words is "twelve trillion, two hundred eleven billion, two hundred three million, four hundred forty thousand, two hundred forty-four".