2011211212 has 12 divisors (see below), whose sum is σ = 3605464296. Its totient is φ = 981078560.

The previous prime is 2011211207. The next prime is 2011211221. The reversal of 2011211212 is 2121121102.

It is a junction number, because it is equal to n+sod(n) for n = 2011211192 and 2011211201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131578 + ... + 6131905.

It is an arithmetic number, because the mean of its divisors is an integer number (300455358).

Almost surely, 2^2011211212 is an apocalyptic number.

It is an amenable number.

2011211212 is a deficient number, since it is larger than the sum of its proper divisors (1594253084).

2011211212 is a wasteful number, since it uses less digits than its factorization.

2011211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263528 (or 12263526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2011211212 is about 44846.5295424295. The cubic root of 2011211212 is about 1262.2708716231.

Adding to 2011211212 its reverse (2121121102), we get a palindrome (4132332314).

The spelling of 2011211212 in words is "two billion, eleven million, two hundred eleven thousand, two hundred twelve".