12418955951 has 2 divisors, whose sum is σ = 12418955952. Its totient is φ = 12418955950.

The previous prime is 12418955929. The next prime is 12418955977. The reversal of 12418955951 is 15955981421.

It is a weak prime.

It is an emirp because it is prime and its reverse (15955981421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12418955951 - 2¹⁰ = 12418954927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12418955951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12418925951) 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 as a sum of consecutive naturals, namely, 6209477975 + 6209477976.

It is an arithmetic number, because the mean of its divisors is an integer number (6209477976).

Almost surely, 2^12418955951 is an apocalyptic number.

12418955951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418955951 is an equidigital number, since it uses as much as digits as its factorization.

12418955951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 50.

The spelling of 12418955951 in words is "twelve billion, four hundred eighteen million, nine hundred fifty-five thousand, nine hundred fifty-one".