13242221203244 has 48 divisors (see below), whose sum is σ = 25319073013920. Its totient is φ = 6010038927360.

The previous prime is 13242221203229. The next prime is 13242221203247. The reversal of 13242221203244 is 44230212224231.

It is a super-2 number, since 2×13242221203244² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13242221203244.

It is not an unprimeable number, because it can be changed into a prime (13242221203247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79897292 + ... + 80062860.

It is an arithmetic number, because the mean of its divisors is an integer number (527480687790).

Almost surely, 2^{13242221203244} is an apocalyptic number.

It is an amenable number.

13242221203244 is a deficient number, since it is larger than the sum of its proper divisors (12076851810676).

13242221203244 is a wasteful number, since it uses less digits than its factorization.

13242221203244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168338 (or 168336 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13242221203244 its reverse (44230212224231), we get a palindrome (57472433427475).

The spelling of 13242221203244 in words is "thirteen trillion, two hundred forty-two billion, two hundred twenty-one million, two hundred three thousand, two hundred forty-four".