12080221 has 8 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 11523072.

The previous prime is 12080207. The next prime is 12080231. The reversal of 12080221 is 12208021.

12080221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12080221 - 2⁹ = 12079709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12080195 and 12080204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080231) 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, 15325 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 2^12080221 is an apocalyptic number.

It is an amenable number.

12080221 is a deficient number, since it is larger than the sum of its proper divisors (560099).

12080221 is an equidigital number, since it uses as much as digits as its factorization.

12080221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 12080221 is about 3475.6612320535. The cubic root of 12080221 is about 229.4518832173.

Adding to 12080221 its reverse (12208021), we get a palindrome (24288242).

The spelling of 12080221 in words is "twelve million, eighty thousand, two hundred twenty-one".