12080216 has 16 divisors (see below), whose sum is σ = 22699440. Its totient is φ = 6027040.

The previous prime is 12080207. The next prime is 12080231. The reversal of 12080216 is 61208021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101 + ... + 5811.

It is an arithmetic number, because the mean of its divisors is an integer number (1418715).

Almost surely, 2^12080216 is an apocalyptic number.

It is an amenable number.

12080216 is a deficient number, since it is larger than the sum of its proper divisors (10619224).

12080216 is a wasteful number, since it uses less digits than its factorization.

12080216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12080216 is about 3475.6605127659. The cubic root of 12080216 is about 229.4518515606.

Adding to 12080216 its reverse (61208021), we get a palindrome (73288237).

The spelling of 12080216 in words is "twelve million, eighty thousand, two hundred sixteen".