2012212112 has 20 divisors (see below), whose sum is σ = 3899357196. Its totient is φ = 1005926400.

The previous prime is 2012212093. The next prime is 2012212117. The reversal of 2012212112 is 2112122102.

It can be written as a sum of positive squares in 2 ways, for example, as 505530256 + 1506681856 = 22484^2 + 38816^2 .

It is not an unprimeable number, because it can be changed into a prime (2012212117) 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, 164612 + ... + 176412.

Almost surely, 2^2012212112 is an apocalyptic number.

It is an amenable number.

2012212112 is a deficient number, since it is larger than the sum of its proper divisors (1887145084).

2012212112 is a wasteful number, since it uses less digits than its factorization.

2012212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22466 (or 22460 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2012212112 is about 44857.6873233563. The cubic root of 2012212112 is about 1262.4802309357.

Adding to 2012212112 its reverse (2112122102), we get a palindrome (4124334214).

The spelling of 2012212112 in words is "two billion, twelve million, two hundred twelve thousand, one hundred twelve".