1012200011112 has 32 divisors (see below), whose sum is σ = 2531767298400. Its totient is φ = 337231034304.

The previous prime is 1012200011093. The next prime is 1012200011167. The reversal of 1012200011112 is 2111100022101.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10511662 + ... + 10607517.

It is an arithmetic number, because the mean of its divisors is an integer number (79117728075).

Almost surely, 2^{1012200011112} is an apocalyptic number.

1012200011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012200011112 is an abundant number, since it is smaller than the sum of its proper divisors (1519567287288).

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

1012200011112 is a wasteful number, since it uses less digits than its factorization.

1012200011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121185 (or 21121181 counting only the distinct ones).

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

Adding to 1012200011112 its reverse (2111100022101), we get a palindrome (3123300033213).

The spelling of 1012200011112 in words is "one trillion, twelve billion, two hundred million, eleven thousand, one hundred twelve".