12221031244 has 24 divisors (see below), whose sum is σ = 21452166288. Its totient is φ = 6091868160.

The previous prime is 12221031239. The next prime is 12221031269. The reversal of 12221031244 is 44213012221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387632 + ... + 2392744.

It is an arithmetic number, because the mean of its divisors is an integer number (893840262).

Almost surely, 2^12221031244 is an apocalyptic number.

It is an amenable number.

12221031244 is a deficient number, since it is larger than the sum of its proper divisors (9231135044).

12221031244 is a wasteful number, since it uses less digits than its factorization.

12221031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12221031244 its reverse (44213012221), we get a palindrome (56434043465).

The spelling of 12221031244 in words is "twelve billion, two hundred twenty-one million, thirty-one thousand, two hundred forty-four".