1112001002112 has 512 divisors, whose sum is σ = 4005283645440. Its totient is φ = 263964672000.

The previous prime is 1112001002107. The next prime is 1112001002113. The reversal of 1112001002112 is 2112001002111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1112001002113) 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, 38808463 + ... + 38837105.

It is an arithmetic number, because the mean of its divisors is an integer number (7822819620).

Almost surely, 2^{1112001002112} is an apocalyptic number.

1112001002112 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 1112001002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2002641822720).

1112001002112 is an abundant number, since it is smaller than the sum of its proper divisors (2893282643328).

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

1112001002112 is a wasteful number, since it uses less digits than its factorization.

1112001002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28792 (or 28780 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1112001002112 its reverse (2112001002111), we get a palindrome (3224002004223).

Subtracting 1112001002112 from its reverse (2112001002111), we obtain a palindrome (999999999999).

The spelling of 1112001002112 in words is "one trillion, one hundred twelve billion, one million, two thousand, one hundred twelve".