212033313212 has 72 divisors (see below), whose sum is σ = 459698603616. Its totient is φ = 83536717824.

The previous prime is 212033313199. The next prime is 212033313223. The reversal of 212033313212 is 212313330212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759668 + ... + 1000580.

It is an arithmetic number, because the mean of its divisors is an integer number (6384702828).

Almost surely, 2^212033313212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212033313212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229849301808).

212033313212 is an abundant number, since it is smaller than the sum of its proper divisors (247665290404).

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

212033313212 is a wasteful number, since it uses less digits than its factorization.

212033313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241027 (or 240982 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212033313212 its reverse (212313330212), we get a palindrome (424346643424).

The spelling of 212033313212 in words is "two hundred twelve billion, thirty-three million, three hundred thirteen thousand, two hundred twelve".