12013103009 has 4 divisors (see below), whose sum is σ = 12014295216. Its totient is φ = 12011910804.

The previous prime is 12013102979. The next prime is 12013103041. The reversal of 12013103009 is 90030131021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12013103009 - 2²⁰ = 12012054433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013103059) 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, 580859 + ... + 601184.

It is an arithmetic number, because the mean of its divisors is an integer number (3003573804).

Almost surely, 2^12013103009 is an apocalyptic number.

It is an amenable number.

12013103009 is a deficient number, since it is larger than the sum of its proper divisors (1192207).

12013103009 is a wasteful number, since it uses less digits than its factorization.

12013103009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192206.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 12013103009 in words is "twelve billion, thirteen million, one hundred three thousand, nine".