12123268 has 6 divisors (see below), whose sum is σ = 21215726. Its totient is φ = 6061632.

The previous prime is 12123257. The next prime is 12123271. The reversal of 12123268 is 86232121.

12123268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11235904 + 887364 = 3352^2 + 942^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515405 + ... + 1515412.

Almost surely, 2^12123268 is an apocalyptic number.

It is an amenable number.

12123268 is a deficient number, since it is larger than the sum of its proper divisors (9092458).

12123268 is a wasteful number, since it uses less digits than its factorization.

12123268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030821 (or 3030819 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 12123268 is about 3481.8483597078. The cubic root of 12123268 is about 229.7241052277.

Adding to 12123268 its reverse (86232121), we get a palindrome (98355389).

The spelling of 12123268 in words is "twelve million, one hundred twenty-three thousand, two hundred sixty-eight".