12318846629 has 4 divisors (see below), whose sum is σ = 13043484684. Its totient is φ = 11594208576.

The previous prime is 12318846583. The next prime is 12318846647. The reversal of 12318846629 is 92664881321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92664881321 = 2039 ⋅45446239.

It can be written as a sum of positive squares in 2 ways, for example, as 11578190404 + 740656225 = 107602^2 + 27215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12318846629 - 2⁸ = 12318846373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318846689) 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, 362319002 + ... + 362319035.

It is an arithmetic number, because the mean of its divisors is an integer number (3260871171).

Almost surely, 2^12318846629 is an apocalyptic number.

It is an amenable number.

12318846629 is a deficient number, since it is larger than the sum of its proper divisors (724638055).

12318846629 is an equidigital number, since it uses as much as digits as its factorization.

12318846629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724638054.

The product of its digits is 995328, while the sum is 50.

The spelling of 12318846629 in words is "twelve billion, three hundred eighteen million, eight hundred forty-six thousand, six hundred twenty-nine".