2021210112012 has 192 divisors, whose sum is σ = 5848270955520. Its totient is φ = 532206125568.

The previous prime is 2021210111993. The next prime is 2021210112059. The reversal of 2021210112012 is 2102110121202.

It is a junction number, because it is equal to n+sod(n) for n = 2021210111982 and 2021210112000.

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, 118655848 + ... + 118672880.

It is an arithmetic number, because the mean of its divisors is an integer number (30459744560).

Almost surely, 2^{2021210112012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021210112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924135477760).

2021210112012 is an abundant number, since it is smaller than the sum of its proper divisors (3827060843508).

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

2021210112012 is a wasteful number, since it uses less digits than its factorization.

2021210112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729 (or 17701 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021210112012 its reverse (2102110121202), we get a palindrome (4123320233214).

The spelling of 2021210112012 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred twelve thousand, twelve".