12167212 has 6 divisors (see below), whose sum is σ = 21292628. Its totient is φ = 6083604.

The previous prime is 12167203. The next prime is 12167213. The reversal of 12167212 is 21276121.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12167213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520898 + ... + 1520905.

Almost surely, 2^12167212 is an apocalyptic number.

It is an amenable number.

12167212 is a deficient number, since it is larger than the sum of its proper divisors (9125416).

12167212 is a wasteful number, since it uses less digits than its factorization.

12167212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041807 (or 3041805 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 12167212 is about 3488.1530929705. The cubic root of 12167212 is about 230.0013358461.

The spelling of 12167212 in words is "twelve million, one hundred sixty-seven thousand, two hundred twelve".