12868351858 has 16 divisors (see below), whose sum is σ = 20441147904. Its totient is φ = 6054753600.

The previous prime is 12868351849. The next prime is 12868351879. The reversal of 12868351858 is 85815386821.

It is a junction number, because it is equal to n+sod(n) for n = 12868351799 and 12868351808.

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, 224191 + ... + 275677.

It is an arithmetic number, because the mean of its divisors is an integer number (1277571744).

Almost surely, 2^12868351858 is an apocalyptic number.

12868351858 is a deficient number, since it is larger than the sum of its proper divisors (7572796046).

12868351858 is a wasteful number, since it uses less digits than its factorization.

12868351858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58857.

The product of its digits is 3686400, while the sum is 55.

The spelling of 12868351858 in words is "twelve billion, eight hundred sixty-eight million, three hundred fifty-one thousand, eight hundred fifty-eight".