12168680719 has 16 divisors (see below), whose sum is σ = 13210892352. Its totient is φ = 11141768448.

The previous prime is 12168680717. The next prime is 12168680737. The reversal of 12168680719 is 91708686121.

It is a cyclic number.

It is not a de Polignac number, because 12168680719 - 2¹ = 12168680717 is a prime.

It is a super-2 number, since 2×12168680719² (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 (12168680717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512182 + ... + 3515644.

It is an arithmetic number, because the mean of its divisors is an integer number (825680772).

Almost surely, 2^12168680719 is an apocalyptic number.

12168680719 is a deficient number, since it is larger than the sum of its proper divisors (1042211633).

12168680719 is a wasteful number, since it uses less digits than its factorization.

12168680719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 12168680719 in words is "twelve billion, one hundred sixty-eight million, six hundred eighty thousand, seven hundred nineteen".