112022122212 has 288 divisors, whose sum is σ = 380947117824. Its totient is φ = 26805427200.

The previous prime is 112022122181. The next prime is 112022122231. The reversal of 112022122212 is 212221220211.

It is a happy number.

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 95 ways as a sum of consecutive naturals, for example, 20069262 + ... + 20074842.

It is an arithmetic number, because the mean of its divisors is an integer number (1322733048).

Almost surely, 2^112022122212 is an apocalyptic number.

112022122212 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 112022122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190473558912).

112022122212 is an abundant number, since it is smaller than the sum of its proper divisors (268924995612).

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

112022122212 is a wasteful number, since it uses less digits than its factorization.

112022122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179 (or 6174 counting only the distinct ones).

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

Adding to 112022122212 its reverse (212221220211), we get a palindrome (324243342423).

The spelling of 112022122212 in words is "one hundred twelve billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".