12356348818 has 8 divisors (see below), whose sum is σ = 20219479920. Its totient is φ = 5616522180.

The previous prime is 12356348791. The next prime is 12356348861. The reversal of 12356348818 is 81884365321.

It is a happy number.

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

It is a super-2 number, since 2×12356348818² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280826088 + ... + 280826131.

It is an arithmetic number, because the mean of its divisors is an integer number (2527434990).

Almost surely, 2^12356348818 is an apocalyptic number.

12356348818 is a deficient number, since it is larger than the sum of its proper divisors (7863131102).

12356348818 is a wasteful number, since it uses less digits than its factorization.

12356348818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561652232.

The product of its digits is 1105920, while the sum is 49.

The spelling of 12356348818 in words is "twelve billion, three hundred fifty-six million, three hundred forty-eight thousand, eight hundred eighteen".