12120868 has 6 divisors (see below), whose sum is σ = 21211526. Its totient is φ = 6060432.

The previous prime is 12120863. The next prime is 12120919. The reversal of 12120868 is 86802121.

12120868 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., 11985444 + 135424 = 3462^2 + 368^2 .

It is not an unprimeable number, because it can be changed into a prime (12120863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515105 + ... + 1515112.

Almost surely, 2^12120868 is an apocalyptic number.

It is an amenable number.

12120868 is a deficient number, since it is larger than the sum of its proper divisors (9090658).

12120868 is a wasteful number, since it uses less digits than its factorization.

12120868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030221 (or 3030219 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12120868 is about 3481.5036981167. The cubic root of 12120868 is about 229.7089450074.

Adding to 12120868 its reverse (86802121), we get a palindrome (98922989).

The spelling of 12120868 in words is "twelve million, one hundred twenty thousand, eight hundred sixty-eight".