213112330212 has 24 divisors (see below), whose sum is σ = 497546790496. Its totient is φ = 70996773888.

The previous prime is 213112330199. The next prime is 213112330213. The reversal of 213112330212 is 212033211312.

It is not an unprimeable number, because it can be changed into a prime (213112330213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5061853 + ... + 5103780.

Almost surely, 2^213112330212 is an apocalyptic number.

It is an amenable number.

213112330212 is an abundant number, since it is smaller than the sum of its proper divisors (284434460284).

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

213112330212 is a wasteful number, since it uses less digits than its factorization.

213112330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167387 (or 10167385 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213112330212 its reverse (212033211312), we get a palindrome (425145541524).

The spelling of 213112330212 in words is "two hundred thirteen billion, one hundred twelve million, three hundred thirty thousand, two hundred twelve".