12320301001221 has 48 divisors (see below), whose sum is σ = 18448507434240. Its totient is φ = 7918066316160.

The previous prime is 12320301001201. The next prime is 12320301001223. The reversal of 12320301001221 is 12210010302321.

12320301001221 is a `hidden beast` number, since 12 + 320 + 301 + 0 + 0 + 12 + 21 = 666.

It is not a de Polignac number, because 12320301001221 - 2⁵ = 12320301001189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320301001194 and 12320301001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320301001223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27331300 + ... + 27778418.

It is an arithmetic number, because the mean of its divisors is an integer number (384343904880).

Almost surely, 2^{12320301001221} is an apocalyptic number.

It is an amenable number.

12320301001221 is a deficient number, since it is larger than the sum of its proper divisors (6128206433019).

12320301001221 is a wasteful number, since it uses less digits than its factorization.

12320301001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448186 (or 448183 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12320301001221 its reverse (12210010302321), we get a palindrome (24530311303542).

The spelling of 12320301001221 in words is "twelve trillion, three hundred twenty billion, three hundred one million, one thousand, two hundred twenty-one".