12001222202200 has 768 divisors, whose sum is σ = 37613735424000. Its totient is φ = 3448707840000.

The previous prime is 12001222202191. The next prime is 12001222202231. The reversal of 12001222202200 is 220222210021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1743599959 + ... + 1743606841.

It is an arithmetic number, because the mean of its divisors is an integer number (48976218000).

Almost surely, 2^{12001222202200} is an apocalyptic number.

12001222202200 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 12001222202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18806867712000).

12001222202200 is an abundant number, since it is smaller than the sum of its proper divisors (25612513221800).

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

12001222202200 is a wasteful number, since it uses less digits than its factorization.

12001222202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7087 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12001222202200 its reverse (220222210021), we get a palindrome (12221444412221).

The spelling of 12001222202200 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred two thousand, two hundred".