202106212 has 48 divisors (see below), whose sum is σ = 443624832. Its totient is φ = 78266880.

The previous prime is 202106207. The next prime is 202106227. The reversal of 202106212 is 212601202.

202106212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51388 + ... + 55180.

It is an arithmetic number, because the mean of its divisors is an integer number (9242184).

Almost surely, 2^202106212 is an apocalyptic number.

202106212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202106212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221812416).

202106212 is an abundant number, since it is smaller than the sum of its proper divisors (241518620).

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

202106212 is a wasteful number, since it uses less digits than its factorization.

202106212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 202106212 is about 14216.4064376339. The cubic root of 202106212 is about 586.8492503039.

Adding to 202106212 its reverse (212601202), we get a palindrome (414707414).

The spelling of 202106212 in words is "two hundred two million, one hundred six thousand, two hundred twelve".