2212022122212 has 96 divisors (see below), whose sum is σ = 5983864606720. Its totient is φ = 622912343040.

The previous prime is 2212022122207. The next prime is 2212022122249. The reversal of 2212022122212 is 2122212202122.

It is a Harshad number since it is a multiple of its sum of digits (21).

2212022122212 is a modest number, since divided by 22122212 gives 22120 as remainder.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3497268 + ... + 4081044.

Almost surely, 2^{2212022122212} 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 2212022122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2991932303360).

2212022122212 is an abundant number, since it is smaller than the sum of its proper divisors (3771842484508).

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

2212022122212 is a wasteful number, since it uses less digits than its factorization.

2212022122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584441 (or 584439 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2212022122212 its reverse (2122212202122), we get a palindrome (4334234324334).

The spelling of 2212022122212 in words is "two trillion, two hundred twelve billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".