12047558858 has 8 divisors (see below), whose sum is σ = 18191016480. Its totient is φ = 5983886700.

The previous prime is 12047558849. The next prime is 12047558879. The reversal of 12047558858 is 85885574021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19945988 + ... + 19946591.

It is an arithmetic number, because the mean of its divisors is an integer number (2273877060).

Almost surely, 2^12047558858 is an apocalyptic number.

12047558858 is a deficient number, since it is larger than the sum of its proper divisors (6143457622).

12047558858 is a wasteful number, since it uses less digits than its factorization.

12047558858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39892732.

The product of its (nonzero) digits is 3584000, while the sum is 53.

The spelling of 12047558858 in words is "twelve billion, forty-seven million, five hundred fifty-eight thousand, eight hundred fifty-eight".