112222021222212 has 192 divisors, whose sum is σ = 294786217893888. Its totient is φ = 32935256640000.

The previous prime is 112222021222211. The next prime is 112222021222217. The reversal of 112222021222212 is 212222120222211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112222021222211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1147263018 + ... + 1147360830.

It is an arithmetic number, because the mean of its divisors is an integer number (1535344884864).

Almost surely, 2^{112222021222212} is an apocalyptic number.

112222021222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112222021222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147393108946944).

112222021222212 is an abundant number, since it is smaller than the sum of its proper divisors (182564196671676).

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

112222021222212 is a wasteful number, since it uses less digits than its factorization.

112222021222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99810 (or 99808 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 112222021222212 its reverse (212222120222211), we get a palindrome (324444141444423).

The spelling of 112222021222212 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".