12512200 has 48 divisors (see below), whose sum is σ = 29523780. Its totient is φ = 4930560.

The previous prime is 12512191. The next prime is 12512231. The reversal of 12512200 is 221521.

It can be written as a sum of positive squares in 6 ways, for example, as 8076964 + 4435236 = 2842^2 + 2106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14172 + ... + 15028.

Almost surely, 2^12512200 is an apocalyptic number.

12512200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12512200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14761890).

12512200 is an abundant number, since it is smaller than the sum of its proper divisors (17011580).

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

12512200 is a wasteful number, since it uses less digits than its factorization.

12512200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12512200 is about 3537.2588257011. The cubic root of 12512200 is about 232.1549203086.

Adding to 12512200 its reverse (221521), we get a palindrome (12733721).

The spelling of 12512200 in words is "twelve million, five hundred twelve thousand, two hundred".