12043221224321 has 24 divisors (see below), whose sum is σ = 13877620787520. Its totient is φ = 10237935054816.

The previous prime is 12043221224273. The next prime is 12043221224341. The reversal of 12043221224321 is 12342212234021.

It is a de Polignac number, because none of the positive numbers 2^k-12043221224321 is a prime.

It is a super-3 number, since 3×12043221224321³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12043221224341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84933935 + ... + 85075611.

It is an arithmetic number, because the mean of its divisors is an integer number (578234199480).

Almost surely, 2^{12043221224321} is an apocalyptic number.

It is an amenable number.

12043221224321 is a deficient number, since it is larger than the sum of its proper divisors (1834399563199).

12043221224321 is an equidigital number, since it uses as much as digits as its factorization.

12043221224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142421 (or 142242 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12043221224321 its reverse (12342212234021), we get a palindrome (24385433458342).

The spelling of 12043221224321 in words is "twelve trillion, forty-three billion, two hundred twenty-one million, two hundred twenty-four thousand, three hundred twenty-one".