12685388362167 has 4 divisors (see below), whose sum is σ = 16913851149560. Its totient is φ = 8456925574776.

The previous prime is 12685388362133. The next prime is 12685388362183. The reversal of 12685388362167 is 76126388358621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12685388362167 - 2⁶ = 12685388362103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12685388362098 and 12685388362107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685380362167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114231393692 + ... + 2114231393697.

It is an arithmetic number, because the mean of its divisors is an integer number (4228462787390).

Almost surely, 2^{12685388362167} is an apocalyptic number.

12685388362167 is a deficient number, since it is larger than the sum of its proper divisors (4228462787393).

12685388362167 is an equidigital number, since it uses as much as digits as its factorization.

12685388362167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228462787392.

The product of its digits is 139345920, while the sum is 66.

The spelling of 12685388362167 in words is "twelve trillion, six hundred eighty-five billion, three hundred eighty-eight million, three hundred sixty-two thousand, one hundred sixty-seven".