12756127858 has 8 divisors (see below), whose sum is σ = 19135299420. Its totient is φ = 6377694720.

The previous prime is 12756127849. The next prime is 12756127859. The reversal of 12756127858 is 85872165721.

It can be written as a sum of positive squares in 2 ways, for example, as 12754765969 + 1361889 = 112937^2 + 1167^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12756127859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139183 + ... + 211858.

Almost surely, 2^12756127858 is an apocalyptic number.

12756127858 is a deficient number, since it is larger than the sum of its proper divisors (6379171562).

12756127858 is a wasteful number, since it uses less digits than its factorization.

12756127858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369212.

The product of its digits is 1881600, while the sum is 52.

The spelling of 12756127858 in words is "twelve billion, seven hundred fifty-six million, one hundred twenty-seven thousand, eight hundred fifty-eight".