20012210220212 has 12 divisors (see below), whose sum is σ = 40024420440480. Its totient is φ = 8576661522936.

The previous prime is 20012210220179. The next prime is 20012210220217. The reversal of 20012210220212 is 21202201221002.

It is a happy number.

20012210220212 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012210220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357360896762 + ... + 357360896817.

It is an arithmetic number, because the mean of its divisors is an integer number (3335368370040).

Almost surely, 2^{20012210220212} is an apocalyptic number.

It is an amenable number.

20012210220212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012210220212 is a wasteful number, since it uses less digits than its factorization.

20012210220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714721793590 (or 714721793588 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012210220212 its reverse (21202201221002), we get a palindrome (41214411441214).

The spelling of 20012210220212 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".