2222212202112 has 256 divisors, whose sum is σ = 6794512128000. Its totient is φ = 630366105600.

The previous prime is 2222212202071. The next prime is 2222212202143. The reversal of 2222212202112 is 2112022122222.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262637562 + ... + 262646022.

It is an arithmetic number, because the mean of its divisors is an integer number (26541063000).

Almost surely, 2^{2222212202112} 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 2222212202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397256064000).

2222212202112 is an abundant number, since it is smaller than the sum of its proper divisors (4572299925888).

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

2222212202112 is a wasteful number, since it uses less digits than its factorization.

2222212202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9163 counting only the distinct ones).

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

Adding to 2222212202112 its reverse (2112022122222), we get a palindrome (4334234324334).

The spelling of 2222212202112 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred two thousand, one hundred twelve".