212102120212212 has 24 divisors (see below), whose sum is σ = 494919796282912. Its totient is φ = 70698585434400.

The previous prime is 212102120212201. The next prime is 212102120212219. The reversal of 212102120212212 is 212212021201212.

212102120212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102120212219) 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, 264746239 + ... + 265546182.

Almost surely, 2^{212102120212212} is an apocalyptic number.

It is an amenable number.

212102120212212 is an abundant number, since it is smaller than the sum of its proper divisors (282817676070700).

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

212102120212212 is a wasteful number, since it uses less digits than its factorization.

212102120212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530325759 (or 530325757 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212102120212212 its reverse (212212021201212), we get a palindrome (424314141413424).

The spelling of 212102120212212 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, two hundred twelve".