212010022220022 has 128 divisors (see below), whose sum is σ = 508520183808000. Its totient is φ = 65086567362432.

The previous prime is 212010022220011. The next prime is 212010022220053. The reversal of 212010022220022 is 220022220010212.

212010022220022 is a `hidden beast` number, since 2 + 120 + 100 + 222 + 200 + 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 = 212010022219977 and 212010022220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4128779604 + ... + 4128830952.

It is an arithmetic number, because the mean of its divisors is an integer number (3972813936000).

Almost surely, 2^{212010022220022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212010022220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254260091904000).

212010022220022 is an abundant number, since it is smaller than the sum of its proper divisors (296510161587978).

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

212010022220022 is a wasteful number, since it uses less digits than its factorization.

212010022220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64539 (or 64533 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212010022220022 its reverse (220022220010212), we get a palindrome (432032242230234).

The spelling of 212010022220022 in words is "two hundred twelve trillion, ten billion, twenty-two million, two hundred twenty thousand, twenty-two".