2011303212 has 12 divisors (see below), whose sum is σ = 4693040856. Its totient is φ = 670434400.

The previous prime is 2011303169. The next prime is 2011303213. The reversal of 2011303212 is 2123031102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2011303212² = 8090681221203033888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011303191 and 2011303200.

It is not an unprimeable number, because it can be changed into a prime (2011303213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83804289 + ... + 83804312.

It is an arithmetic number, because the mean of its divisors is an integer number (391086738).

Almost surely, 2^2011303212 is an apocalyptic number.

It is an amenable number.

2011303212 is an abundant number, since it is smaller than the sum of its proper divisors (2681737644).

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

2011303212 is a wasteful number, since it uses less digits than its factorization.

2011303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167608608 (or 167608606 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2011303212 is about 44847.5552510948. Note that the first 3 decimals coincide. The cubic root of 2011303212 is about 1262.2901182590.

Adding to 2011303212 its reverse (2123031102), we get a palindrome (4134334314).

The spelling of 2011303212 in words is "two billion, eleven million, three hundred three thousand, two hundred twelve".