20112220000212 has 24 divisors (see below), whose sum is σ = 49398435088800. Its totient is φ = 6351227368416.

The previous prime is 20112220000153. The next prime is 20112220000217. The reversal of 20112220000212 is 21200002221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112220000191 and 20112220000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112220000217) 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, 44105745387 + ... + 44105745842.

It is an arithmetic number, because the mean of its divisors is an integer number (2058268128700).

Almost surely, 2^{20112220000212} is an apocalyptic number.

It is an amenable number.

20112220000212 is an abundant number, since it is smaller than the sum of its proper divisors (29286215088588).

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

20112220000212 is a wasteful number, since it uses less digits than its factorization.

20112220000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88211491255 (or 88211491253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20112220000212 its reverse (21200002221102), we get a palindrome (41312222221314).

The spelling of 20112220000212 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.