212130303 has 48 divisors (see below), whose sum is σ = 366901248. Its totient is φ = 106603200.

The previous prime is 212130299. The next prime is 212130313. The reversal of 212130303 is 303031212.

It is not a de Polignac number, because 212130303 - 2² = 212130299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77425 + ... + 80117.

It is an arithmetic number, because the mean of its divisors is an integer number (7643776).

Almost surely, 2^212130303 is an apocalyptic number.

212130303 is a deficient number, since it is larger than the sum of its proper divisors (154770945).

212130303 is a wasteful number, since it uses less digits than its factorization.

212130303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2745 counting only the distinct ones).

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

The square root of 212130303 is about 14564.6937145963. The cubic root of 212130303 is about 596.3953345689.

Adding to 212130303 its reverse (303031212), we get a palindrome (515161515).

Subtracting 212130303 from its reverse (303031212), we obtain a palindrome (90900909).

The spelling of 212130303 in words is "two hundred twelve million, one hundred thirty thousand, three hundred three".