12320200 has 48 divisors (see below), whose sum is σ = 28876500. Its totient is φ = 4888320.

The previous prime is 12320197. The next prime is 12320201. The reversal of 12320200 is 202321.

It can be written as a sum of positive squares in 6 ways, for example, as 4401604 + 7918596 = 2098^2 + 2814^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12320201) 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, 45666 + ... + 45934.

Almost surely, 2^12320200 is an apocalyptic number.

12320200 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 12320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14438250).

12320200 is an abundant number, since it is smaller than the sum of its proper divisors (16556300).

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

12320200 is a wasteful number, since it uses less digits than its factorization.

12320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 12320200 is about 3510.0142449853. The cubic root of 12320200 is about 230.9613198355.

Adding to 12320200 its reverse (202321), we get a palindrome (12522521).

The spelling of 12320200 in words is "twelve million, three hundred twenty thousand, two hundred".