12224032323021 has 12 divisors (see below), whose sum is σ = 17657018313948. Its totient is φ = 8149316696064.

The previous prime is 12224032322969. The next prime is 12224032323077. The reversal of 12224032323021 is 12032323042221.

12224032323021 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 403 + 2 + 3 + 230 + 21 = 666.

12224032323021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7773139161225 + 4450893161796 = 2788035^2 + 2109714^2 .

It is not a de Polignac number, because 12224032323021 - 2²⁹ = 12223495452109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224032343021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081780 + ... + 5061453.

It is an arithmetic number, because the mean of its divisors is an integer number (1471418192829).

Almost surely, 2^{12224032323021} is an apocalyptic number.

It is an amenable number.

12224032323021 is a deficient number, since it is larger than the sum of its proper divisors (5432985990927).

12224032323021 is a wasteful number, since it uses less digits than its factorization.

12224032323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364332 (or 6364329 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12224032323021 its reverse (12032323042221), we get a palindrome (24256355365242).

The spelling of 12224032323021 in words is "twelve trillion, two hundred twenty-four billion, thirty-two million, three hundred twenty-three thousand, twenty-one".