12270200 has 48 divisors (see below), whose sum is σ = 30039000. Its totient is φ = 4648320.

The previous prime is 12270197. The next prime is 12270217. The reversal of 12270200 is 207221.

It is a congruent number.

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, 2186 + ... + 5414.

Almost surely, 2^12270200 is an apocalyptic number.

12270200 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 12270200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15019500).

12270200 is an abundant number, since it is smaller than the sum of its proper divisors (17768800).

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

12270200 is a wasteful number, since it uses less digits than its factorization.

12270200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12270200 is about 3502.8845256445. The cubic root of 12270200 is about 230.6484536093.

Adding to 12270200 its reverse (207221), we get a palindrome (12477421).

The spelling of 12270200 in words is "twelve million, two hundred seventy thousand, two hundred".