12213167 has 2 divisors, whose sum is σ = 12213168. Its totient is φ = 12213166.

The previous prime is 12213137. The next prime is 12213169. The reversal of 12213167 is 76131221.

It is a strong prime.

It is an emirp because it is prime and its reverse (76131221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213167 - 2¹⁰ = 12212143 is a prime.

It is a super-2 number, since 2×12213167² = 298322896339778, which contains 22 as substring.

Together with 12213169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106583 + 6106584.

It is an arithmetic number, because the mean of its divisors is an integer number (6106584).

Almost surely, 2^12213167 is an apocalyptic number.

12213167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213167 is an equidigital number, since it uses as much as digits as its factorization.

12213167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 12213167 is about 3494.7341815938. The cubic root of 12213167 is about 230.2905402022.

Adding to 12213167 its reverse (76131221), we get a palindrome (88344388).

The spelling of 12213167 in words is "twelve million, two hundred thirteen thousand, one hundred sixty-seven".