12052816858 has 16 divisors (see below), whose sum is σ = 19271664000. Its totient is φ = 5636958912.

The previous prime is 12052816847. The next prime is 12052816931. The reversal of 12052816858 is 85861825021.

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, 2004463 + ... + 2010466.

It is an arithmetic number, because the mean of its divisors is an integer number (1204479000).

Almost surely, 2^12052816858 is an apocalyptic number.

12052816858 is a deficient number, since it is larger than the sum of its proper divisors (7218847142).

12052816858 is a wasteful number, since it uses less digits than its factorization.

12052816858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015029.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 12052816858 in words is "twelve billion, fifty-two million, eight hundred sixteen thousand, eight hundred fifty-eight".