12426186818 has 8 divisors (see below), whose sum is σ = 18659565120. Its totient is φ = 6206331780.

The previous prime is 12426186767. The next prime is 12426186833. The reversal of 12426186818 is 81868162421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378518 + ... + 3382193.

It is an arithmetic number, because the mean of its divisors is an integer number (2332445640).

Almost surely, 2^12426186818 is an apocalyptic number.

12426186818 is a deficient number, since it is larger than the sum of its proper divisors (6233378302).

12426186818 is an equidigital number, since it uses as much as digits as its factorization.

12426186818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761632.

The product of its digits is 294912, while the sum is 47.

The spelling of 12426186818 in words is "twelve billion, four hundred twenty-six million, one hundred eighty-six thousand, eight hundred eighteen".