212102201200122 has 16 divisors (see below), whose sum is σ = 471338224889280. Its totient is φ = 70700733733356.

The previous prime is 212102201200121. The next prime is 212102201200159. The reversal of 212102201200122 is 221002102201212.

It is a happy number.

212102201200122 is a `hidden beast` number, since 2 + 121 + 0 + 220 + 1 + 200 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212102201200095 and 212102201200104.

It is not an unprimeable number, because it can be changed into a prime (212102201200121) 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, 1963909270318 + ... + 1963909270425.

It is an arithmetic number, because the mean of its divisors is an integer number (29458639055580).

Almost surely, 2^{212102201200122} is an apocalyptic number.

212102201200122 is an abundant number, since it is smaller than the sum of its proper divisors (259236023689158).

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

212102201200122 is a wasteful number, since it uses less digits than its factorization.

212102201200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927818540754 (or 3927818540748 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212102201200122 its reverse (221002102201212), we get a palindrome (433104303401334).

The spelling of 212102201200122 in words is "two hundred twelve trillion, one hundred two billion, two hundred one million, two hundred thousand, one hundred twenty-two".