12120316 has 12 divisors (see below), whose sum is σ = 22842232. Its totient is φ = 5593968.

The previous prime is 12120307. The next prime is 12120343. The reversal of 12120316 is 61302121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116490 + ... + 116593.

Almost surely, 2^12120316 is an apocalyptic number.

It is an amenable number.

12120316 is a deficient number, since it is larger than the sum of its proper divisors (10721916).

12120316 is a wasteful number, since it uses less digits than its factorization.

12120316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233100 (or 233098 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12120316 is about 3481.4244211242. The cubic root of 12120316 is about 229.7054578737.

Adding to 12120316 its reverse (61302121), we get a palindrome (73422437).

The spelling of 12120316 in words is "twelve million, one hundred twenty thousand, three hundred sixteen".