2011011212 has 12 divisors (see below), whose sum is σ = 4022022480. Its totient is φ = 861861936.

The previous prime is 2011011169. The next prime is 2011011221. The reversal of 2011011212 is 2121101102.

2011011212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2011011193 and 2011011202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35910887 + ... + 35910942.

It is an arithmetic number, because the mean of its divisors is an integer number (335168540).

Almost surely, 2^2011011212 is an apocalyptic number.

It is an amenable number.

2011011212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2011011212 is a wasteful number, since it uses less digits than its factorization.

2011011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71821840 (or 71821838 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2011011212 is about 44844.2996600460. The cubic root of 2011011212 is about 1262.2290290854.

Adding to 2011011212 its reverse (2121101102), we get a palindrome (4132112314).

The spelling of 2011011212 in words is "two billion, eleven million, eleven thousand, two hundred twelve".