12302233303221 has 12 divisors (see below), whose sum is σ = 17822622204972. Its totient is φ = 8177152104576.

The previous prime is 12302233303189. The next prime is 12302233303237. The reversal of 12302233303221 is 12230333220321.

12302233303221 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 2 + 2 + 3 + 330 + 322 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7003904027121 + 5298329276100 = 2646489^2 + 2301810^2 .

It is not a de Polignac number, because 12302233303221 - 2⁵ = 12302233303189 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 (12302233803221) 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, 2028060486 + ... + 2028066551.

It is an arithmetic number, because the mean of its divisors is an integer number (1485218517081).

Almost surely, 2^{12302233303221} is an apocalyptic number.

It is an amenable number.

12302233303221 is a deficient number, since it is larger than the sum of its proper divisors (5520388901751).

12302233303221 is a wasteful number, since it uses less digits than its factorization.

12302233303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056127380 (or 4056127377 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 12302233303221 its reverse (12230333220321), we get a palindrome (24532566523542).

The spelling of 12302233303221 in words is "twelve trillion, three hundred two billion, two hundred thirty-three million, three hundred three thousand, two hundred twenty-one".