2012203444 has 6 divisors (see below), whose sum is σ = 3521356034. Its totient is φ = 1006101720.

The previous prime is 2012203441. The next prime is 2012203451. The reversal of 2012203444 is 4443022102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1580062500 + 432140944 = 39750^2 + 20788^2 .

It is a super-2 number, since 2×2012203444² = 8097925400090922272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012203441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251525427 + ... + 251525434.

Almost surely, 2^2012203444 is an apocalyptic number.

It is an amenable number.

2012203444 is a deficient number, since it is larger than the sum of its proper divisors (1509152590).

2012203444 is a wasteful number, since it uses less digits than its factorization.

2012203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503050865 (or 503050863 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2012203444 is about 44857.5907065906. The cubic root of 2012203444 is about 1262.4784181391.

Adding to 2012203444 its reverse (4443022102), we get a palindrome (6455225546).

The spelling of 2012203444 in words is "two billion, twelve million, two hundred three thousand, four hundred forty-four".