12313279168665 has 32 divisors (see below), whose sum is σ = 20839436663040. Its totient is φ = 6195508171776.

The previous prime is 12313279168651. The next prime is 12313279168717. The reversal of 12313279168665 is 56686197231321.

It is a happy number.

It is not a de Polignac number, because 12313279168665 - 2⁴ = 12313279168649 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12313279168599 and 12313279168608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244431420 + ... + 244481789.

It is an arithmetic number, because the mean of its divisors is an integer number (651232395720).

Almost surely, 2^{12313279168665} is an apocalyptic number.

12313279168665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12313279168665 is a deficient number, since it is larger than the sum of its proper divisors (8526157494375).

12313279168665 is a wasteful number, since it uses less digits than its factorization.

12313279168665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488913313.

The product of its digits is 19595520, while the sum is 60.

The spelling of 12313279168665 in words is "twelve trillion, three hundred thirteen billion, two hundred seventy-nine million, one hundred sixty-eight thousand, six hundred sixty-five".