12222001101200 has 120 divisors (see below), whose sum is σ = 32042443408320. Its totient is φ = 4443019660800.

The previous prime is 12222001101197. The next prime is 12222001101269. The reversal of 12222001101200 is 210110022221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14185142 + ... + 15022058.

It is an arithmetic number, because the mean of its divisors is an integer number (267020361736).

Almost surely, 2^{12222001101200} is an apocalyptic number.

12222001101200 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 12222001101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16021221704160).

12222001101200 is an abundant number, since it is smaller than the sum of its proper divisors (19820442307120).

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

12222001101200 is a wasteful number, since it uses less digits than its factorization.

12222001101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840265 (or 840254 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12222001101200 its reverse (210110022221), we get a palindrome (12432111123421).

The spelling of 12222001101200 in words is "twelve trillion, two hundred twenty-two billion, one million, one hundred one thousand, two hundred".