2100212212 has 24 divisors (see below), whose sum is σ = 4213133120. Its totient is φ = 897367680.

The previous prime is 2100212209. The next prime is 2100212227. The reversal of 2100212212 is 2122120012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100212192 and 2100212201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104037 + ... + 122572.

Almost surely, 2^2100212212 is an apocalyptic number.

It is an amenable number.

2100212212 is an abundant number, since it is smaller than the sum of its proper divisors (2112920908).

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

2100212212 is a wasteful number, since it uses less digits than its factorization.

2100212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226951 (or 226949 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2100212212 is about 45828.0723138122. The cubic root of 2100212212 is about 1280.6222991323.

Adding to 2100212212 its reverse (2122120012), we get a palindrome (4222332224).

The spelling of 2100212212 in words is "two billion, one hundred million, two hundred twelve thousand, two hundred twelve".