1112012222112 has 288 divisors, whose sum is σ = 3593357074944. Its totient is φ = 335483078400.

The previous prime is 1112012222059. The next prime is 1112012222143. The reversal of 1112012222112 is 2112222102111.

It is a tau number, because it is divible by the number of its divisors (288).

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

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 47 ways as a sum of consecutive naturals, for example, 19388037 + ... + 19445307.

It is an arithmetic number, because the mean of its divisors is an integer number (12476934288).

Almost surely, 2^{1112012222112} is an apocalyptic number.

1112012222112 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 1112012222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796678537472).

1112012222112 is an abundant number, since it is smaller than the sum of its proper divisors (2481344852832).

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

1112012222112 is a wasteful number, since it uses less digits than its factorization.

1112012222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57534 (or 57514 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112012222112 its reverse (2112222102111), we get a palindrome (3224234324223).

The spelling of 1112012222112 in words is "one trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred twelve".