212110330 has 8 divisors (see below), whose sum is σ = 381798612. Its totient is φ = 84844128.

The previous prime is 212110303. The next prime is 212110331. The reversal of 212110330 is 33011212.

It can be written as a sum of positive squares in 2 ways, for example, as 206583129 + 5527201 = 14373^2 + 2351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212110330.

It is not an unprimeable number, because it can be changed into a prime (212110331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605507 + ... + 10605526.

Almost surely, 2^212110330 is an apocalyptic number.

212110330 is a deficient number, since it is larger than the sum of its proper divisors (169688282).

212110330 is a wasteful number, since it uses less digits than its factorization.

212110330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211040.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212110330 is about 14564.0080335051. The cubic root of 212110330 is about 596.3766162345.

Adding to 212110330 its reverse (33011212), we get a palindrome (245121542).

The spelling of 212110330 in words is "two hundred twelve million, one hundred ten thousand, three hundred thirty".