12430961618 has 8 divisors (see below), whose sum is σ = 18673987212. Its totient is φ = 6206299216.

The previous prime is 12430961579. The next prime is 12430961671. The reversal of 12430961618 is 81616903421.

It can be written as a sum of positive squares in 2 ways, for example, as 7948257409 + 4482704209 = 89153^2 + 66953^2 .

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

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, 4589105 + ... + 4591812.

Almost surely, 2^12430961618 is an apocalyptic number.

12430961618 is a deficient number, since it is larger than the sum of its proper divisors (6243025594).

12430961618 is an equidigital number, since it uses as much as digits as its factorization.

12430961618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181596.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12430961618 in words is "twelve billion, four hundred thirty million, nine hundred sixty-one thousand, six hundred eighteen".