2212211022012 has 192 divisors, whose sum is σ = 6003972979200. Its totient is φ = 703885178880.

The previous prime is 2212211021987. The next prime is 2212211022041. The reversal of 2212211022012 is 2102201122122.

It is a happy number.

2212211022012 is a `hidden beast` number, since 221 + 2 + 211 + 0 + 220 + 12 = 666.

It is a super-2 number, since 2×2212211022012² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32724687 + ... + 32792217.

It is an arithmetic number, because the mean of its divisors is an integer number (31270692600).

Almost surely, 2^{2212211022012} 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 2212211022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001986489600).

2212211022012 is an abundant number, since it is smaller than the sum of its proper divisors (3791761957188).

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

2212211022012 is a wasteful number, since it uses less digits than its factorization.

2212211022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67753 (or 67745 counting only the distinct ones).

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

Adding to 2212211022012 its reverse (2102201122122), we get a palindrome (4314412144134).

It can be divided in two parts, 22122110 and 22012, that added together give a palindrome (22144122).

The spelling of 2212211022012 in words is "two trillion, two hundred twelve billion, two hundred eleven million, twenty-two thousand, twelve".