12122267 has 4 divisors (see below), whose sum is σ = 12129240. Its totient is φ = 12115296.

The previous prime is 12122263. The next prime is 12122293. The reversal of 12122267 is 76222121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12122267 - 2² = 12122263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (3032310).

Almost surely, 2^12122267 is an apocalyptic number.

12122267 is a deficient number, since it is larger than the sum of its proper divisors (6973).

12122267 is an equidigital number, since it uses as much as digits as its factorization.

12122267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972.

The product of its digits is 672, while the sum is 23.

The square root of 12122267 is about 3481.7046112501. The cubic root of 12122267 is about 229.7177823957.

Adding to 12122267 its reverse (76222121), we get a palindrome (88344388).

The spelling of 12122267 in words is "twelve million, one hundred twenty-two thousand, two hundred sixty-seven".