2012012021112 has 16 divisors (see below), whose sum is σ = 5030030052840. Its totient is φ = 670670673696.

The previous prime is 2012012021111. The next prime is 2012012021119. The reversal of 2012012021112 is 2111202102102.

It is a junction number, because it is equal to n+sod(n) for n = 2012012021091 and 2012012021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012021111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41916917083 + ... + 41916917130.

Almost surely, 2^{2012012021112} is an apocalyptic number.

It is an amenable number.

2012012021112 is an abundant number, since it is smaller than the sum of its proper divisors (3018018031728).

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

2012012021112 is a wasteful number, since it uses less digits than its factorization.

2012012021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83833834222 (or 83833834218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012012021112 its reverse (2111202102102), we get a palindrome (4123214123214).

The spelling of 2012012021112 in words is "two trillion, twelve billion, twelve million, twenty-one thousand, one hundred twelve".