12030323200 has 180 divisors, whose sum is σ = 34674169662. Its totient is φ = 4124467200.

The previous prime is 12030323183. The next prime is 12030323203. The reversal of 12030323200 is 232303021.

It can be written as a sum of positive squares in 3 ways, for example, as 10228490496 + 1801832704 = 101136^2 + 42448^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12030323203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 617610 + ... + 636790.

Almost surely, 2^12030323200 is an apocalyptic number.

12030323200 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 12030323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17337084831).

12030323200 is an abundant number, since it is smaller than the sum of its proper divisors (22643846462).

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

12030323200 is an equidigital number, since it uses as much as digits as its factorization.

12030323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223 (or 19195 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12030323200 its reverse (232303021), we get a palindrome (12262626221).

The spelling of 12030323200 in words is "twelve billion, thirty million, three hundred twenty-three thousand, two hundred".