212000334 has 64 divisors (see below), whose sum is σ = 530772480. Its totient is φ = 54956160.

The previous prime is 212000323. The next prime is 212000339. The reversal of 212000334 is 433000212.

It is a super-2 number, since 2×212000334² = 89888283232223112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28924 + ... + 35504.

It is an arithmetic number, because the mean of its divisors is an integer number (8293320).

Almost surely, 2^212000334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212000334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265386240).

212000334 is an abundant number, since it is smaller than the sum of its proper divisors (318772146).

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

212000334 is a wasteful number, since it uses less digits than its factorization.

212000334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212000334 is about 14560.2312481636. The cubic root of 212000334 is about 596.2735089114.

Adding to 212000334 its reverse (433000212), we get a palindrome (645000546).

The spelling of 212000334 in words is "two hundred twelve million, three hundred thirty-four", and thus it is an aban number.