12324215200 has 72 divisors (see below), whose sum is σ = 32821649280. Its totient is φ = 4481529600.

The previous prime is 12324215191. The next prime is 12324215201. The reversal of 12324215200 is 251242321.

It is a happy number.

It is a super-2 number, since 2×12324215200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12324215201) 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, 691440 + ... + 709039.

It is an arithmetic number, because the mean of its divisors is an integer number (455856240).

Almost surely, 2^12324215200 is an apocalyptic number.

12324215200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12324215200 is an abundant number, since it is smaller than the sum of its proper divisors (20497434080).

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

12324215200 is a wasteful number, since it uses less digits than its factorization.

12324215200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400510 (or 1400497 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12324215200 its reverse (251242321), we get a palindrome (12575457521).

The spelling of 12324215200 in words is "twelve billion, three hundred twenty-four million, two hundred fifteen thousand, two hundred".