212004210 has 64 divisors (see below), whose sum is σ = 574231680. Its totient is φ = 49620480.

The previous prime is 212004197. The next prime is 212004227. The reversal of 212004210 is 12400212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1507 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (8972370).

Almost surely, 2^212004210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212004210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287115840).

212004210 is an abundant number, since it is smaller than the sum of its proper divisors (362227470).

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

212004210 is a wasteful number, since it uses less digits than its factorization.

212004210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22203.

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

The square root of 212004210 is about 14560.3643498369. The cubic root of 212004210 is about 596.2771427768.

Adding to 212004210 its reverse (12400212), we get a palindrome (224404422).

The spelling of 212004210 in words is "two hundred twelve million, four thousand, two hundred ten".