2012520403 has 4 divisors (see below), whose sum is σ = 2077440448. Its totient is φ = 1947600360.

The previous prime is 2012520397. The next prime is 2012520407. The reversal of 2012520403 is 3040252102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012520403 - 2¹³ = 2012512211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012520407) 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, 32459976 + ... + 32460037.

It is an arithmetic number, because the mean of its divisors is an integer number (519360112).

Almost surely, 2^2012520403 is an apocalyptic number.

2012520403 is a deficient number, since it is larger than the sum of its proper divisors (64920045).

2012520403 is an equidigital number, since it uses as much as digits as its factorization.

2012520403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64920044.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2012520403 is about 44861.1235146870. The cubic root of 2012520403 is about 1262.5447025050.

Adding to 2012520403 its reverse (3040252102), we get a palindrome (5052772505).

The spelling of 2012520403 in words is "two billion, twelve million, five hundred twenty thousand, four hundred three".