212101020021012 has 24 divisors (see below), whose sum is σ = 495126014263776. Its totient is φ = 70668392262048.

The previous prime is 212101020020999. The next prime is 212101020021043. The reversal of 212101020021012 is 210120020101212.

212101020021012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212101020020982 and 212101020021000.

It is a congruent number.

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, 3993440458 + ... + 3993493569.

It is an arithmetic number, because the mean of its divisors is an integer number (20630250594324).

Almost surely, 2^{212101020021012} is an apocalyptic number.

It is an amenable number.

212101020021012 is an abundant number, since it is smaller than the sum of its proper divisors (283024994242764).

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

212101020021012 is a wasteful number, since it uses less digits than its factorization.

212101020021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986936247 (or 7986936245 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212101020021012 its reverse (210120020101212), we get a palindrome (422221040122224).

The spelling of 212101020021012 in words is "two hundred twelve trillion, one hundred one billion, twenty million, twenty-one thousand, twelve".