2212201222112 has 96 divisors (see below), whose sum is σ = 5098768093440. Its totient is φ = 925213178880.

The previous prime is 2212201222093. The next prime is 2212201222117. The reversal of 2212201222112 is 2112221022122.

It is a super-2 number, since 2×2212201222112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212201222117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199687 + ... + 2421497.

It is an arithmetic number, because the mean of its divisors is an integer number (53112167640).

Almost surely, 2^{2212201222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212201222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549384046720).

2212201222112 is an abundant number, since it is smaller than the sum of its proper divisors (2886566871328).

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

2212201222112 is a wasteful number, since it uses less digits than its factorization.

2212201222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222024 (or 1222016 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2212201222112 its reverse (2112221022122), we get a palindrome (4324422244234).

The spelling of 2212201222112 in words is "two trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".