210012330 has 64 divisors (see below), whose sum is σ = 555382656. Its totient is φ = 50400000.

The previous prime is 210012323. The next prime is 210012389. The reversal of 210012330 is 33210012.

It is a happy number.

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, 30180 + ... + 36480.

It is an arithmetic number, because the mean of its divisors is an integer number (8677854).

Almost surely, 2^210012330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277691328).

210012330 is an abundant number, since it is smaller than the sum of its proper divisors (345370326).

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

210012330 is a wasteful number, since it uses less digits than its factorization.

210012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 210012330 is about 14491.8021653623. The cubic root of 210012330 is about 594.4038281530.

Adding to 210012330 its reverse (33210012), we get a palindrome (243222342).

The spelling of 210012330 in words is "two hundred ten million, twelve thousand, three hundred thirty".