12102221231200 has 36 divisors (see below), whose sum is σ = 29544547582620. Its totient is φ = 4840888492160.

The previous prime is 12102221231131. The next prime is 12102221231209. The reversal of 12102221231200 is 213212220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102221231209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7563887470 + ... + 7563889069.

It is an arithmetic number, because the mean of its divisors is an integer number (820681877295).

Almost surely, 2^{12102221231200} is an apocalyptic number.

12102221231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102221231200 is an abundant number, since it is smaller than the sum of its proper divisors (17442326351420).

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

12102221231200 is a wasteful number, since it uses less digits than its factorization.

12102221231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15127776559 (or 15127776546 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12102221231200 its reverse (213212220121), we get a palindrome (12315433451321).

The spelling of 12102221231200 in words is "twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred".