2012203403 has 16 divisors (see below), whose sum is σ = 2358305280. Its totient is φ = 1681310400.

The previous prime is 2012203363. The next prime is 2012203411. The reversal of 2012203403 is 3043022102.

It is not a de Polignac number, because 2012203403 - 2¹⁴ = 2012187019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012203003) 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, 21488 + ... + 66978.

It is an arithmetic number, because the mean of its divisors is an integer number (147394080).

Almost surely, 2^2012203403 is an apocalyptic number.

2012203403 is a deficient number, since it is larger than the sum of its proper divisors (346101877).

2012203403 is an equidigital number, since it uses as much as digits as its factorization.

2012203403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45658.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2012203403 is about 44857.5902495888. The cubic root of 2012203403 is about 1262.4784095644.

Adding to 2012203403 its reverse (3043022102), we get a palindrome (5055225505).

The spelling of 2012203403 in words is "two billion, twelve million, two hundred three thousand, four hundred three".