212133043212 has 24 divisors (see below), whose sum is σ = 495001244976. Its totient is φ = 70707565248.

The previous prime is 212133043207. The next prime is 212133043259. The reversal of 212133043212 is 212340331212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168483 + ... + 672794.

It is an arithmetic number, because the mean of its divisors is an integer number (20625051874).

Almost surely, 2^212133043212 is an apocalyptic number.

It is an amenable number.

212133043212 is an abundant number, since it is smaller than the sum of its proper divisors (282868201764).

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

212133043212 is a wasteful number, since it uses less digits than its factorization.

212133043212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862297 (or 862295 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212133043212 its reverse (212340331212), we get a palindrome (424473374424).

The spelling of 212133043212 in words is "two hundred twelve billion, one hundred thirty-three million, forty-three thousand, two hundred twelve".