12031013013209 has 8 divisors (see below), whose sum is σ = 12068060302368. Its totient is φ = 11993969940480.

The previous prime is 12031013013133. The next prime is 12031013013247. The reversal of 12031013013209 is 90231031013021.

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

It is a cyclic number.

It is not a de Polignac number, because 12031013013209 - 2²⁰ = 12031011964633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031013013109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4709849 + ... + 6800345.

It is an arithmetic number, because the mean of its divisors is an integer number (1508507537796).

Almost surely, 2^{12031013013209} is an apocalyptic number.

It is an amenable number.

12031013013209 is a deficient number, since it is larger than the sum of its proper divisors (37047289159).

12031013013209 is a wasteful number, since it uses less digits than its factorization.

12031013013209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108215.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 12031013013209 in words is "twelve trillion, thirty-one billion, thirteen million, thirteen thousand, two hundred nine".