2011305212 has 12 divisors (see below), whose sum is σ = 4022610480. Its totient is φ = 861987936.

The previous prime is 2011305209. The next prime is 2011305259. The reversal of 2011305212 is 2125031102.

It is a happy number.

2011305212 is an admirable number.

It is a congruent number.

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, 35916137 + ... + 35916192.

It is an arithmetic number, because the mean of its divisors is an integer number (335217540).

Almost surely, 2^2011305212 is an apocalyptic number.

It is an amenable number.

2011305212 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.

2011305212 is a wasteful number, since it uses less digits than its factorization.

2011305212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71832340 (or 71832338 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2011305212 is about 44847.5775488487. The cubic root of 2011305212 is about 1262.2905366576.

Adding to 2011305212 its reverse (2125031102), we get a palindrome (4136336314).

The spelling of 2011305212 in words is "two billion, eleven million, three hundred five thousand, two hundred twelve".