2012021212 has 6 divisors (see below), whose sum is σ = 3521037128. Its totient is φ = 1006010604.

The previous prime is 2012021203. The next prime is 2012021227. The reversal of 2012021212 is 2121202102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012021192 and 2012021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251502648 + ... + 251502655.

Almost surely, 2^2012021212 is an apocalyptic number.

It is an amenable number.

2012021212 is a deficient number, since it is larger than the sum of its proper divisors (1509015916).

2012021212 is a wasteful number, since it uses less digits than its factorization.

2012021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503005307 (or 503005305 counting only the distinct ones).

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

The square root of 2012021212 is about 44855.5594324717. The cubic root of 2012021212 is about 1262.4403055395.

Adding to 2012021212 its reverse (2121202102), we get a palindrome (4133223314).

The spelling of 2012021212 in words is "two billion, twelve million, twenty-one thousand, two hundred twelve".