12320220233221 has 8 divisors (see below), whose sum is σ = 12397169030400. Its totient is φ = 12243484887360.

The previous prime is 12320220233183. The next prime is 12320220233323. The reversal of 12320220233221 is 12233202202321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12320220233221 - 2⁹ = 12320220232709 is a prime.

It is a super-2 number, since 2×12320220233221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320220233921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53247031 + ... + 53477908.

It is an arithmetic number, because the mean of its divisors is an integer number (1549646128800).

Almost surely, 2^{12320220233221} is an apocalyptic number.

It is an amenable number.

12320220233221 is a deficient number, since it is larger than the sum of its proper divisors (76948797179).

12320220233221 is a wasteful number, since it uses less digits than its factorization.

12320220233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106725659.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12320220233221 its reverse (12233202202321), we get a palindrome (24553422435542).

The spelling of 12320220233221 in words is "twelve trillion, three hundred twenty billion, two hundred twenty million, two hundred thirty-three thousand, two hundred twenty-one".