12032331232221 has 24 divisors (see below), whose sum is σ = 17391144771000. Its totient is φ = 8016427410432.

The previous prime is 12032331232157. The next prime is 12032331232223. The reversal of 12032331232221 is 12223213323021.

12032331232221 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 2 + 3 + 312 + 322 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 349511528025 + 11682819704196 = 591195^2 + 3418014^2 .

It is not a de Polignac number, because 12032331232221 - 2⁶ = 12032331232157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032331232223) 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, 120070225 + ... + 120170393.

It is an arithmetic number, because the mean of its divisors is an integer number (724631032125).

Almost surely, 2^{12032331232221} is an apocalyptic number.

It is an amenable number.

12032331232221 is a deficient number, since it is larger than the sum of its proper divisors (5358813538779).

12032331232221 is a wasteful number, since it uses less digits than its factorization.

12032331232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108573 (or 108570 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12032331232221 its reverse (12223213323021), we get a palindrome (24255544555242).

The spelling of 12032331232221 in words is "twelve trillion, thirty-two billion, three hundred thirty-one million, two hundred thirty-two thousand, two hundred twenty-one".