212201212011022 has 24 divisors (see below), whose sum is σ = 353076601736880. Its totient is φ = 95550264313920.

The previous prime is 212201212011017. The next prime is 212201212011029. The reversal of 212201212011022 is 220110212102212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201212011029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7656257322 + ... + 7656285037.

It is an arithmetic number, because the mean of its divisors is an integer number (14711525072370).

Almost surely, 2^{212201212011022} is an apocalyptic number.

212201212011022 is a deficient number, since it is larger than the sum of its proper divisors (140875389725858).

212201212011022 is a wasteful number, since it uses less digits than its factorization.

212201212011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312542428 (or 15312542415 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212201212011022 its reverse (220110212102212), we get a palindrome (432311424113234).

The spelling of 212201212011022 in words is "two hundred twelve trillion, two hundred one billion, two hundred twelve million, eleven thousand, twenty-two".