12318682123031 has 4 divisors (see below), whose sum is σ = 12329274284232. Its totient is φ = 12308089961832.

The previous prime is 12318682122991. The next prime is 12318682123039. The reversal of 12318682123031 is 13032128681321.

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

It is a cyclic number.

It is not a de Polignac number, because 12318682123031 - 2⁴² = 7920635611927 is a prime.

It is a super-4 number, since 4×12318682123031⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 12318682123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318682123039) 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, 5296078856 + ... + 5296081181.

It is an arithmetic number, because the mean of its divisors is an integer number (3082318571058).

Almost surely, 2^{12318682123031} is an apocalyptic number.

12318682123031 is a deficient number, since it is larger than the sum of its proper divisors (10592161201).

12318682123031 is a wasteful number, since it uses less digits than its factorization.

12318682123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592161200.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 12318682123031 in words is "twelve trillion, three hundred eighteen billion, six hundred eighty-two million, one hundred twenty-three thousand, thirty-one".