12123214 has 4 divisors (see below), whose sum is σ = 18184824. Its totient is φ = 6061606.

The previous prime is 12123211. The next prime is 12123217. The reversal of 12123214 is 41232121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41232121 = 7 ⋅5890303.

It is an interprime number because it is at equal distance from previous prime (12123211) and next prime (12123217).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030802 + ... + 3030805.

It is an arithmetic number, because the mean of its divisors is an integer number (4546206).

Almost surely, 2^12123214 is an apocalyptic number.

12123214 is a deficient number, since it is larger than the sum of its proper divisors (6061610).

12123214 is an equidigital number, since it uses as much as digits as its factorization.

12123214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061609.

The product of its digits is 96, while the sum is 16.

The square root of 12123214 is about 3481.8406051972. The cubic root of 12123214 is about 229.7237641447.

Adding to 12123214 its reverse (41232121), we get a palindrome (53355335).

The spelling of 12123214 in words is "twelve million, one hundred twenty-three thousand, two hundred fourteen".