2212021212 has 24 divisors (see below), whose sum is σ = 5192294016. Its totient is φ = 732924528.

The previous prime is 2212021187. The next prime is 2212021261. The reversal of 2212021212 is 2121202122.

2212021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2212021191 and 2212021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549898 + ... + 553905.

It is an arithmetic number, because the mean of its divisors is an integer number (216345584).

Almost surely, 2^2212021212 is an apocalyptic number.

It is an amenable number.

2212021212 is an abundant number, since it is smaller than the sum of its proper divisors (2980272804).

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

2212021212 is a wasteful number, since it uses less digits than its factorization.

2212021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103977 (or 1103975 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212021212 is about 47032.1295711772. The cubic root of 2212021212 is about 1302.9560369561.

Adding to 2212021212 its reverse (2121202122), we get a palindrome (4333223334).

The spelling of 2212021212 in words is "two billion, two hundred twelve million, twenty-one thousand, two hundred twelve".