212102122010122 has 16 divisors (see below), whose sum is σ = 321987150650592. Its totient is φ = 104773078116880.

The previous prime is 212102122010071. The next prime is 212102122010131. The reversal of 212102122010122 is 221010221201212.

It is a super-2 number, since 2×212102122010122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212102122010122.

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, 77621688 + ... + 80307724.

It is an arithmetic number, because the mean of its divisors is an integer number (20124196915662).

Almost surely, 2^{212102122010122} is an apocalyptic number.

212102122010122 is a deficient number, since it is larger than the sum of its proper divisors (109885028640470).

212102122010122 is a wasteful number, since it uses less digits than its factorization.

212102122010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161813.

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

Adding to 212102122010122 its reverse (221010221201212), we get a palindrome (433112343211334).

The spelling of 212102122010122 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, ten thousand, one hundred twenty-two".