2012120444 has 12 divisors (see below), whose sum is σ = 3706537800. Its totient is φ = 953109648.

The previous prime is 2012120437. The next prime is 2012120447. The reversal of 2012120444 is 4440212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13237559 + ... + 13237710.

It is an arithmetic number, because the mean of its divisors is an integer number (308878150).

Almost surely, 2^2012120444 is an apocalyptic number.

It is an amenable number.

2012120444 is a deficient number, since it is larger than the sum of its proper divisors (1694417356).

2012120444 is a wasteful number, since it uses less digits than its factorization.

2012120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26475292 (or 26475290 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2012120444 is about 44856.6655470511. The cubic root of 2012120444 is about 1262.4610595315.

Adding to 2012120444 its reverse (4440212102), we get a palindrome (6452332546).

The spelling of 2012120444 in words is "two billion, twelve million, one hundred twenty thousand, four hundred forty-four".