12266880418 has 8 divisors (see below), whose sum is σ = 19815729948. Its totient is φ = 5661637104.

The previous prime is 12266880313. The next prime is 12266880419. The reversal of 12266880418 is 81408866221.

It can be written as a sum of positive squares in 2 ways, for example, as 9249245929 + 3017634489 = 96173^2 + 54933^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12266880419) by changing a digit.

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, 235901521 + ... + 235901572.

Almost surely, 2^12266880418 is an apocalyptic number.

12266880418 is a deficient number, since it is larger than the sum of its proper divisors (7548849530).

12266880418 is a wasteful number, since it uses less digits than its factorization.

12266880418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471803108.

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 12266880418 in words is "twelve billion, two hundred sixty-six million, eight hundred eighty thousand, four hundred eighteen".