12698686258 has 16 divisors (see below), whose sum is σ = 19497283200. Its totient is φ = 6200202736.

The previous prime is 12698686249. The next prime is 12698686261. The reversal of 12698686258 is 85268689621.

It is a super-2 number, since 2×12698686258² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12698686196 and 12698686205.

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, 110833 + ... + 194116.

It is an arithmetic number, because the mean of its divisors is an integer number (1218580200).

Almost surely, 2^12698686258 is an apocalyptic number.

12698686258 is a deficient number, since it is larger than the sum of its proper divisors (6798596942).

12698686258 is a wasteful number, since it uses less digits than its factorization.

12698686258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305441.

The product of its digits is 19906560, while the sum is 61.

The spelling of 12698686258 in words is "twelve billion, six hundred ninety-eight million, six hundred eighty-six thousand, two hundred fifty-eight".