12345332200 has 48 divisors (see below), whose sum is σ = 28771596000. Its totient is φ = 4926313920.

The previous prime is 12345332191. The next prime is 12345332201. The reversal of 12345332200 is 223354321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12345332201) 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, 10141 + ... + 157459.

It is an arithmetic number, because the mean of its divisors is an integer number (599408250).

Almost surely, 2^12345332200 is an apocalyptic number.

12345332200 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 12345332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14385798000).

12345332200 is an abundant number, since it is smaller than the sum of its proper divisors (16426263800).

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

12345332200 is a wasteful number, since it uses less digits than its factorization.

12345332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147754 (or 147745 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12345332200 its reverse (223354321), we get a palindrome (12568686521).

The spelling of 12345332200 in words is "twelve billion, three hundred forty-five million, three hundred thirty-two thousand, two hundred".