112220001201222 has 128 divisors (see below), whose sum is σ = 256476181248000. Its totient is φ = 36353269732608.

The previous prime is 112220001201197. The next prime is 112220001201223. The reversal of 112220001201222 is 222102100022211.

It is a happy number.

112220001201222 is a `hidden beast` number, since 1 + 122 + 200 + 0 + 120 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112220001201195 and 112220001201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220001201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1205155738 + ... + 1205248850.

It is an arithmetic number, because the mean of its divisors is an integer number (2003720166000).

Almost surely, 2^{112220001201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112220001201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128238090624000).

112220001201222 is an abundant number, since it is smaller than the sum of its proper divisors (144256180046778).

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

112220001201222 is a wasteful number, since it uses less digits than its factorization.

112220001201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96507 (or 96501 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112220001201222 its reverse (222102100022211), we get a palindrome (334322101223433).

The spelling of 112220001201222 in words is "one hundred twelve trillion, two hundred twenty billion, one million, two hundred one thousand, two hundred twenty-two".