22212200120112 has 240 divisors, whose sum is σ = 64686336000000. Its totient is φ = 7108940007936.

The previous prime is 22212200120087. The next prime is 22212200120171. The reversal of 22212200120112 is 21102100221222.

It is a happy number.

22212200120112 is a `hidden beast` number, since 22 + 212 + 200 + 120 + 112 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 841389889 + ... + 841416287.

It is an arithmetic number, because the mean of its divisors is an integer number (269526400000).

Almost surely, 2^{22212200120112} 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 22212200120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32343168000000).

22212200120112 is an abundant number, since it is smaller than the sum of its proper divisors (42474135879888).

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

22212200120112 is a wasteful number, since it uses less digits than its factorization.

22212200120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28528 (or 28519 counting only the distinct ones).

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

Adding to 22212200120112 its reverse (21102100221222), we get a palindrome (43314300341334).

The spelling of 22212200120112 in words is "twenty-two trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, one hundred twelve".