212111212120212 has 96 divisors (see below), whose sum is σ = 505864493568000. Its totient is φ = 69143564875392.

The previous prime is 212111212120169. The next prime is 212111212120217. The reversal of 212111212120212 is 212021212111212.

212111212120212 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 (212111212120217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5123562289 + ... + 5123603687.

It is an arithmetic number, because the mean of its divisors is an integer number (5269421808000).

Almost surely, 2^{212111212120212} is an apocalyptic number.

It is an amenable number.

212111212120212 is an abundant number, since it is smaller than the sum of its proper divisors (293753281447788).

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

212111212120212 is a wasteful number, since it uses less digits than its factorization.

212111212120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48565 (or 48563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212111212120212 its reverse (212021212111212), we get a palindrome (424132424231424).

The spelling of 212111212120212 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty thousand, two hundred twelve".