12230216 has 32 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 5951232.

The previous prime is 12230209. The next prime is 12230221. The reversal of 12230216 is 61203221.

12230216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12230194 and 12230203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74951 + ... + 75113.

It is an arithmetic number, because the mean of its divisors is an integer number (736155).

Almost surely, 2^12230216 is an apocalyptic number.

It is an amenable number.

12230216 is a deficient number, since it is larger than the sum of its proper divisors (11326744).

12230216 is a wasteful number, since it uses less digits than its factorization.

12230216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12230216 is about 3497.1725722360. The cubic root of 12230216 is about 230.3976485903.

Adding to 12230216 its reverse (61203221), we get a palindrome (73433437).

The spelling of 12230216 in words is "twelve million, two hundred thirty thousand, two hundred sixteen".