2011212120112 has 40 divisors (see below), whose sum is σ = 4198169431904. Its totient is φ = 927876155904.

The previous prime is 2011212120067. The next prime is 2011212120131. The reversal of 2011212120112 is 2110212121102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440588 + ... + 2469355.

Almost surely, 2^{2011212120112} is an apocalyptic number.

It is an amenable number.

2011212120112 is an abundant number, since it is smaller than the sum of its proper divisors (2186957311792).

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

2011212120112 is a wasteful number, since it uses less digits than its factorization.

2011212120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912437 (or 3912431 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011212120112 its reverse (2110212121102), we get a palindrome (4121424241214).

The spelling of 2011212120112 in words is "two trillion, eleven billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".