12140678517 has 8 divisors (see below), whose sum is σ = 17659168800. Its totient is φ = 7357986960.

The previous prime is 12140678513. The next prime is 12140678531. The reversal of 12140678517 is 71587604121.

12140678517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12140678517 - 2² = 12140678513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140678513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183949642 + ... + 183949707.

It is an arithmetic number, because the mean of its divisors is an integer number (2207396100).

Almost surely, 2^12140678517 is an apocalyptic number.

It is an amenable number.

12140678517 is a deficient number, since it is larger than the sum of its proper divisors (5518490283).

12140678517 is a wasteful number, since it uses less digits than its factorization.

12140678517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367899363.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 12140678517 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, five hundred seventeen".