2203012 has 48 divisors (see below), whose sum is σ = 4798080. Its totient is φ = 864000.

The previous prime is 2203007. The next prime is 2203049. The reversal of 2203012 is 2103022.

It is a self number, because there is not a number n which added to its sum of digits gives 2203012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21762 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (99960).

2^2203012 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 2203012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399040).

2203012 is an abundant number, since it is smaller than the sum of its proper divisors (2595068).

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

2203012 is a wasteful number, since it uses less digits than its factorization.

2203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2203012 is about 1484.2546951248. The cubic root of 2203012 is about 130.1184718828.

Adding to 2203012 its sum of digits (10), we get a palindrome (2203022).

Adding to 2203012 its reverse (2103022), we get a palindrome (4306034).

The spelling of 2203012 in words is "two million, two hundred three thousand, twelve".