212103330 has 16 divisors (see below), whose sum is σ = 509048064. Its totient is φ = 56560880.

The previous prime is 212103329. The next prime is 212103343. The reversal of 212103330 is 33301212.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535026 + ... + 3535085.

It is an arithmetic number, because the mean of its divisors is an integer number (31815504).

Almost surely, 2^212103330 is an apocalyptic number.

212103330 is an abundant number, since it is smaller than the sum of its proper divisors (296944734).

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

212103330 is a wasteful number, since it uses less digits than its factorization.

212103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070121.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212103330 is about 14563.7677130611. The cubic root of 212103330 is about 596.3700556830.

Adding to 212103330 its reverse (33301212), we get a palindrome (245404542).

The spelling of 212103330 in words is "two hundred twelve million, one hundred three thousand, three hundred thirty".