12212283 has 4 divisors (see below), whose sum is σ = 16283048. Its totient is φ = 8141520.

The previous prime is 12212279. The next prime is 12212293. The reversal of 12212283 is 38221221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12212283 - 2² = 12212279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035378 + ... + 2035383.

It is an arithmetic number, because the mean of its divisors is an integer number (4070762).

Almost surely, 2^12212283 is an apocalyptic number.

12212283 is a deficient number, since it is larger than the sum of its proper divisors (4070765).

12212283 is an equidigital number, since it uses as much as digits as its factorization.

12212283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070764.

The product of its digits is 384, while the sum is 21.

The square root of 12212283 is about 3494.6077033052. The cubic root of 12212283 is about 230.2849838560.

The spelling of 12212283 in words is "twelve million, two hundred twelve thousand, two hundred eighty-three".