12200321208 has 16 divisors (see below), whose sum is σ = 30500803080. Its totient is φ = 4066773728.

The previous prime is 12200321183. The next prime is 12200321209. The reversal of 12200321208 is 80212300221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200321209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254173335 + ... + 254173382.

Almost surely, 2^12200321208 is an apocalyptic number.

It is an amenable number.

12200321208 is an abundant number, since it is smaller than the sum of its proper divisors (18300481872).

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

12200321208 is a wasteful number, since it uses less digits than its factorization.

12200321208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508346726 (or 508346722 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12200321208 its reverse (80212300221), we get a palindrome (92412621429).

The spelling of 12200321208 in words is "twelve billion, two hundred million, three hundred twenty-one thousand, two hundred eight".