12000216 has 16 divisors (see below), whose sum is σ = 30000600. Its totient is φ = 4000064.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000216 is 61200021.

It is a Harshad number since it is a multiple of its sum of digits (12).

12000216 is a modest number, since divided by 216 gives 120 as remainder.

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, 249981 + ... + 250028.

Almost surely, 2^12000216 is an apocalyptic number.

It is an amenable number.

12000216 is an abundant number, since it is smaller than the sum of its proper divisors (18000384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000216 is a wasteful number, since it uses less digits than its factorization.

12000216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500018 (or 500014 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12000216 is about 3464.1327919120. The cubic root of 12000216 is about 228.9442221595.

Adding to 12000216 its reverse (61200021), we get a palindrome (73200237).

The spelling of 12000216 in words is "twelve million, two hundred sixteen", and thus it is an aban number.