20212000212222 has 96 divisors (see below), whose sum is σ = 55355388134592. Its totient is φ = 5186566121472.

The previous prime is 20212000212221. The next prime is 20212000212223. The reversal of 20212000212222 is 22221200021202.

20212000212222 is a `hidden beast` number, since 20 + 212 + 0 + 0 + 0 + 212 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (20212000212221) and next prime (20212000212223).

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 = 20212000212195 and 20212000212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212000212221) 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, 166688563 + ... + 166809774.

It is an arithmetic number, because the mean of its divisors is an integer number (576618626402).

Almost surely, 2^{20212000212222} is an apocalyptic number.

20212000212222 is an abundant number, since it is smaller than the sum of its proper divisors (35143387922370).

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

20212000212222 is a wasteful number, since it uses less digits than its factorization.

20212000212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333498402 (or 333498399 counting only the distinct ones).

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

Adding to 20212000212222 its reverse (22221200021202), we get a palindrome (42433200233424).

The spelling of 20212000212222 in words is "twenty trillion, two hundred twelve billion, two hundred twelve thousand, two hundred twenty-two".