12618093507 has 4 divisors (see below), whose sum is σ = 16824124680. Its totient is φ = 8412062336.

The previous prime is 12618093497. The next prime is 12618093529. The reversal of 12618093507 is 70539081621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70539081621 = 3 ⋅23513027207.

It is a cyclic number.

It is not a de Polignac number, because 12618093507 - 2⁶ = 12618093443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12618093557) 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, 2103015582 + ... + 2103015587.

It is an arithmetic number, because the mean of its divisors is an integer number (4206031170).

Almost surely, 2^12618093507 is an apocalyptic number.

12618093507 is a deficient number, since it is larger than the sum of its proper divisors (4206031173).

12618093507 is an equidigital number, since it uses as much as digits as its factorization.

12618093507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206031172.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 12618093507 in words is "twelve billion, six hundred eighteen million, ninety-three thousand, five hundred seven".