12005271115 has 8 divisors (see below), whose sum is σ = 14498086320. Its totient is φ = 9543042912.

The previous prime is 12005271067. The next prime is 12005271151. The reversal of 12005271115 is 51117250021.

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 12005271115 - 2³³ = 3415336523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12005271115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7645885 + ... + 7647454.

It is an arithmetic number, because the mean of its divisors is an integer number (1812260790).

Almost surely, 2^12005271115 is an apocalyptic number.

12005271115 is a deficient number, since it is larger than the sum of its proper divisors (2492815205).

12005271115 is a wasteful number, since it uses less digits than its factorization.

12005271115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15293501.

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 12005271115 in words is "twelve billion, five million, two hundred seventy-one thousand, one hundred fifteen".