12680478719 has 8 divisors (see below), whose sum is σ = 12715782000. Its totient is φ = 12645216000.

The previous prime is 12680478691. The next prime is 12680478739. The reversal of 12680478719 is 91787408621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12680478719 - 2⁸ = 12680478463 is a prime.

It is a super-2 number, since 2×12680478719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680478739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679919 + ... + 698319.

It is an arithmetic number, because the mean of its divisors is an integer number (1589472750).

Almost surely, 2^12680478719 is an apocalyptic number.

12680478719 is a deficient number, since it is larger than the sum of its proper divisors (35303281).

12680478719 is a wasteful number, since it uses less digits than its factorization.

12680478719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20281.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 12680478719 in words is "twelve billion, six hundred eighty million, four hundred seventy-eight thousand, seven hundred nineteen".