12216283 has 2 divisors, whose sum is σ = 12216284. Its totient is φ = 12216282.

The previous prime is 12216247. The next prime is 12216299. The reversal of 12216283 is 38261221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12216283 - 2¹⁷ = 12085211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12216203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108141 + 6108142.

It is an arithmetic number, because the mean of its divisors is an integer number (6108142).

Almost surely, 2^12216283 is an apocalyptic number.

12216283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12216283 is an equidigital number, since it uses as much as digits as its factorization.

12216283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 12216283 is about 3495.1799667542. The cubic root of 12216283 is about 230.3101235558.

The spelling of 12216283 in words is "twelve million, two hundred sixteen thousand, two hundred eighty-three".