2202121212 has 48 divisors (see below), whose sum is σ = 5231509920. Its totient is φ = 720811008.

The previous prime is 2202121211. The next prime is 2202121241. The reversal of 2202121212 is 2121212022.

2202121212 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 = 2202121191 and 2202121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198714 + ... + 209502.

It is an arithmetic number, because the mean of its divisors is an integer number (108989790).

Almost surely, 2^2202121212 is an apocalyptic number.

It is an amenable number.

2202121212 is an abundant number, since it is smaller than the sum of its proper divisors (3029388708).

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

2202121212 is a wasteful number, since it uses less digits than its factorization.

2202121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102 (or 11100 counting only the distinct ones).

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

The square root of 2202121212 is about 46926.7643461596. The cubic root of 2202121212 is about 1301.0093171518.

Adding to 2202121212 its reverse (2121212022), we get a palindrome (4323333234).

The spelling of 2202121212 in words is "two billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".