212346204 has 144 divisors (see below), whose sum is σ = 616694400. Its totient is φ = 56536704.

The previous prime is 212346193. The next prime is 212346221. The reversal of 212346204 is 402643212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 927162 + ... + 927390.

It is an arithmetic number, because the mean of its divisors is an integer number (4282600).

Almost surely, 2^212346204 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 212346204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308347200).

212346204 is an abundant number, since it is smaller than the sum of its proper divisors (404348196).

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

212346204 is a wasteful number, since it uses less digits than its factorization.

212346204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 212346204 is about 14572.1036230189. The cubic root of 212346204 is about 596.5975981278.

Adding to 212346204 its reverse (402643212), we get a palindrome (614989416).

The spelling of 212346204 in words is "two hundred twelve million, three hundred forty-six thousand, two hundred four".