2021122000212 has 48 divisors (see below), whose sum is σ = 5389733419392. Its totient is φ = 577455419520.

The previous prime is 2021122000211. The next prime is 2021122000237. The reversal of 2021122000212 is 2120002211202.

It is a junction number, because it is equal to n+sod(n) for n = 2021122000191 and 2021122000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122000211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8737162 + ... + 8965502.

It is an arithmetic number, because the mean of its divisors is an integer number (112286112904).

Almost surely, 2^{2021122000212} is an apocalyptic number.

It is an amenable number.

2021122000212 is an abundant number, since it is smaller than the sum of its proper divisors (3368611419180).

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

2021122000212 is a wasteful number, since it uses less digits than its factorization.

2021122000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333728 (or 333726 counting only the distinct ones).

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

Adding to 2021122000212 its reverse (2120002211202), we get a palindrome (4141124211414).

The spelling of 2021122000212 in words is "two trillion, twenty-one billion, one hundred twenty-two million, two hundred twelve", and thus it is an aban number.