12580127718 has 8 divisors (see below), whose sum is σ = 25160255448. Its totient is φ = 4193375904.

The previous prime is 12580127699. The next prime is 12580127719. The reversal of 12580127718 is 81772108521.

It is a happy number.

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

12580127718 is an admirable number.

It is a super-2 number, since 2×12580127718² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12580127718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12580127719) 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, 1048343971 + ... + 1048343982.

It is an arithmetic number, because the mean of its divisors is an integer number (3145031931).

Almost surely, 2^12580127718 is an apocalyptic number.

12580127718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12580127718 is a wasteful number, since it uses less digits than its factorization.

12580127718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096687958.

The product of its (nonzero) digits is 62720, while the sum is 42.

The spelling of 12580127718 in words is "twelve billion, five hundred eighty million, one hundred twenty-seven thousand, seven hundred eighteen".