12686024827730 has 16 divisors (see below), whose sum is σ = 22835699864280. Its totient is φ = 5074219892352.

The previous prime is 12686024827727. The next prime is 12686024827753. The reversal of 12686024827730 is 3772842068621.

It can be written as a sum of positive squares in 4 ways, for example, as 9310364561521 + 3375660266209 = 3051289^2 + 1837297^2 .

It is a Curzon number.

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, 23474315 + ... + 24008654.

Almost surely, 2^{12686024827730} is an apocalyptic number.

12686024827730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12686024827730 is a deficient number, since it is larger than the sum of its proper divisors (10149675036550).

12686024827730 is a wasteful number, since it uses less digits than its factorization.

12686024827730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47509693.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 12686024827730 in words is "twelve trillion, six hundred eighty-six billion, twenty-four million, eight hundred twenty-seven thousand, seven hundred thirty".