12720000003 has 8 divisors (see below), whose sum is σ = 17030374416. Its totient is φ = 8444812800.

The previous prime is 12720000001. The next prime is 12720000031. The reversal of 12720000003 is 30000002721.

12720000003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12720000003 - 2¹ = 12720000001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12720000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795958 + ... + 8797403.

It is an arithmetic number, because the mean of its divisors is an integer number (2128796802).

Almost surely, 2^12720000003 is an apocalyptic number.

12720000003 is a deficient number, since it is larger than the sum of its proper divisors (4310374413).

12720000003 is a wasteful number, since it uses less digits than its factorization.

12720000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593605.

The product of its (nonzero) digits is 84, while the sum is 15.

Adding to 12720000003 its reverse (30000002721), we get a palindrome (42720002724).

The spelling of 12720000003 in words is "twelve billion, seven hundred twenty million, three", and thus it is an aban number.