12099200 has 96 divisors (see below), whose sum is σ = 31620000. Its totient is φ = 4561920.

The previous prime is 12099161. The next prime is 12099209. The reversal of 12099200 is 299021.

It is not an unprimeable number, because it can be changed into a prime (12099209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60701 + ... + 60899.

It is an arithmetic number, because the mean of its divisors is an integer number (329375).

Almost surely, 2^12099200 is an apocalyptic number.

12099200 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 12099200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15810000).

12099200 is an abundant number, since it is smaller than the sum of its proper divisors (19520800).

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

12099200 is a wasteful number, since it uses less digits than its factorization.

12099200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 12099200 is about 3478.3904323695. The cubic root of 12099200 is about 229.5719828059.

The spelling of 12099200 in words is "twelve million, ninety-nine thousand, two hundred".