202102212 has 72 divisors (see below), whose sum is σ = 516963328. Its totient is φ = 61084800.

The previous prime is 202102207. The next prime is 202102223. The reversal of 202102212 is 212201202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 1591293 + ... + 1591419.

Almost surely, 2^202102212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258481664).

202102212 is an abundant number, since it is smaller than the sum of its proper divisors (314861116).

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

202102212 is a wasteful number, since it uses less digits than its factorization.

202102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202102212 is about 14216.2657544096. The cubic root of 202102212 is about 586.8453787216.

Adding to 202102212 its reverse (212201202), we get a palindrome (414303414).

It can be divided in two parts, 20210 and 2212, that added together give a palindrome (22422).

The spelling of 202102212 in words is "two hundred two million, one hundred two thousand, two hundred twelve".