2012021044 has 48 divisors (see below), whose sum is σ = 4070606400. Its totient is φ = 861459200.

The previous prime is 2012021029. The next prime is 2012021047. The reversal of 2012021044 is 4401202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012021047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33087 + ... + 71545.

It is an arithmetic number, because the mean of its divisors is an integer number (84804300).

Almost surely, 2^2012021044 is an apocalyptic number.

It is an amenable number.

2012021044 is an abundant number, since it is smaller than the sum of its proper divisors (2058585356).

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

2012021044 is a wasteful number, since it uses less digits than its factorization.

2012021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38544 (or 38542 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2012021044 is about 44855.5575597941. The cubic root of 2012021044 is about 1262.4402704023.

Adding to 2012021044 its reverse (4401202102), we get a palindrome (6413223146).

The spelling of 2012021044 in words is "two billion, twelve million, twenty-one thousand, forty-four".