210311330212 has 12 divisors (see below), whose sum is σ = 368171629056. Its totient is φ = 105119436200.

The previous prime is 210311330149. The next prime is 210311330221. The reversal of 210311330212 is 212033113012.

It is a self number, because there is not a number n which added to its sum of digits gives 210311330212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9044164 + ... + 9067387.

It is an arithmetic number, because the mean of its divisors is an integer number (30680969088).

Almost surely, 2^210311330212 is an apocalyptic number.

It is an amenable number.

210311330212 is a deficient number, since it is larger than the sum of its proper divisors (157860298844).

210311330212 is a wasteful number, since it uses less digits than its factorization.

210311330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114458 (or 18114456 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210311330212 its reverse (212033113012), we get a palindrome (422344443224).

The spelling of 210311330212 in words is "two hundred ten billion, three hundred eleven million, three hundred thirty thousand, two hundred twelve".