212012200211022 has 96 divisors (see below), whose sum is σ = 503489725390080. Its totient is φ = 64177039825920.

The previous prime is 212012200210981. The next prime is 212012200211023. The reversal of 212012200211022 is 220112002210212.

It is a happy number.

212012200211022 is a `hidden beast` number, since 212 + 0 + 1 + 220 + 0 + 211 + 0 + 22 = 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 = 212012200210986 and 212012200211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012200211023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5247747 + ... + 21250017.

It is an arithmetic number, because the mean of its divisors is an integer number (5244684639480).

Almost surely, 2^{212012200211022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012200211022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251744862695040).

212012200211022 is an abundant number, since it is smaller than the sum of its proper divisors (291477525179058).

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

212012200211022 is a wasteful number, since it uses less digits than its factorization.

212012200211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003818 (or 16003815 counting only the distinct ones).

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

Adding to 212012200211022 its reverse (220112002210212), we get a palindrome (432124202421234).

The spelling of 212012200211022 in words is "two hundred twelve trillion, twelve billion, two hundred million, two hundred eleven thousand, twenty-two".