12023302221 has 48 divisors (see below), whose sum is σ = 20126146560. Its totient is φ = 6774412320.

The previous prime is 12023302211. The next prime is 12023302301. The reversal of 12023302221 is 12220332021.

12023302221 is a `hidden beast` number, since 120 + 23 + 302 + 221 = 666.

It is not a de Polignac number, because 12023302221 - 2¹¹ = 12023300173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023302194 and 12023302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023302211) 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, 5827036 + ... + 5829098.

It is an arithmetic number, because the mean of its divisors is an integer number (419294720).

Almost surely, 2^12023302221 is an apocalyptic number.

It is an amenable number.

12023302221 is a deficient number, since it is larger than the sum of its proper divisors (8102844339).

12023302221 is a wasteful number, since it uses less digits than its factorization.

12023302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12023302221 its reverse (12220332021), we get a palindrome (24243634242).

The spelling of 12023302221 in words is "twelve billion, twenty-three million, three hundred two thousand, two hundred twenty-one".