12408318719 has 8 divisors (see below), whose sum is σ = 12561143808. Its totient is φ = 12256355160.

The previous prime is 12408318709. The next prime is 12408318731. The reversal of 12408318719 is 91781380421.

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 12408318719 - 2²⁰ = 12407270143 is a prime.

It is a super-2 number, since 2×12408318719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12408318719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408318709) 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, 186377 + ... + 244034.

It is an arithmetic number, because the mean of its divisors is an integer number (1570142976).

Almost surely, 2^12408318719 is an apocalyptic number.

12408318719 is a deficient number, since it is larger than the sum of its proper divisors (152825089).

12408318719 is a wasteful number, since it uses less digits than its factorization.

12408318719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430765.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 12408318719 in words is "twelve billion, four hundred eight million, three hundred eighteen thousand, seven hundred nineteen".