212212330212 has 48 divisors (see below), whose sum is σ = 505257984000. Its totient is φ = 69308846880.

The previous prime is 212212330193. The next prime is 212212330259. The reversal of 212212330212 is 212033212212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730212 + ... + 978587.

It is an arithmetic number, because the mean of its divisors is an integer number (10526208000).

Almost surely, 2^212212330212 is an apocalyptic number.

It is an amenable number.

212212330212 is an abundant number, since it is smaller than the sum of its proper divisors (293045653788).

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

212212330212 is a wasteful number, since it uses less digits than its factorization.

212212330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709016 (or 1709014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212212330212 its reverse (212033212212), we get a palindrome (424245542424).

The spelling of 212212330212 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty thousand, two hundred twelve".