2112021012 has 24 divisors (see below), whose sum is σ = 4948675200. Its totient is φ = 701060416.

The previous prime is 2112021001. The next prime is 2112021031. The reversal of 2112021012 is 2101202112.

2112021012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365337 + ... + 371072.

It is an arithmetic number, because the mean of its divisors is an integer number (206194800).

Almost surely, 2^2112021012 is an apocalyptic number.

It is an amenable number.

2112021012 is an abundant number, since it is smaller than the sum of its proper divisors (2836654188).

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

2112021012 is a wasteful number, since it uses less digits than its factorization.

2112021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736655 (or 736653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2112021012 is about 45956.7297792173. The cubic root of 2112021012 is about 1283.0179868271.

Adding to 2112021012 its reverse (2101202112), we get a palindrome (4213223124).

The spelling of 2112021012 in words is "two billion, one hundred twelve million, twenty-one thousand, twelve".