12180200 has 24 divisors (see below), whose sum is σ = 28319430. Its totient is φ = 4872000.

The previous prime is 12180199. The next prime is 12180209. The reversal of 12180200 is 208121.

It can be written as a sum of positive squares in 3 ways, for example, as 4418404 + 7761796 = 2102^2 + 2786^2 .

It is not an unprimeable number, because it can be changed into a prime (12180209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30251 + ... + 30650.

Almost surely, 2^12180200 is an apocalyptic number.

12180200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12180200 is an abundant number, since it is smaller than the sum of its proper divisors (16139230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12180200 is a wasteful number, since it uses less digits than its factorization.

12180200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60917 (or 60908 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 12180200 is about 3490.0143266182. The cubic root of 12180200 is about 230.0831457423.

Adding to 12180200 its reverse (208121), we get a palindrome (12388321).

The spelling of 12180200 in words is "twelve million, one hundred eighty thousand, two hundred".