212004330 has 32 divisors (see below), whose sum is σ = 509976000. Its totient is φ = 56404992.

The previous prime is 212004301. The next prime is 212004347. The reversal of 212004330 is 33400212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601 + ... + 21339.

It is an arithmetic number, because the mean of its divisors is an integer number (15936750).

Almost surely, 2^212004330 is an apocalyptic number.

212004330 is an abundant number, since it is smaller than the sum of its proper divisors (297971670).

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

212004330 is a wasteful number, since it uses less digits than its factorization.

212004330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16198.

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

The square root of 212004330 is about 14560.3684706123. The cubic root of 212004330 is about 596.2772552797.

Adding to 212004330 its reverse (33400212), we get a palindrome (245404542).

The spelling of 212004330 in words is "two hundred twelve million, four thousand, three hundred thirty".