12405354718 has 16 divisors (see below), whose sum is σ = 18885239856. Its totient is φ = 6110475840.

The previous prime is 12405354713. The next prime is 12405354719. The reversal of 12405354718 is 81745350421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405354713) 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 7 ways as a sum of consecutive naturals, for example, 74733 + ... + 174343.

It is an arithmetic number, because the mean of its divisors is an integer number (1180327491).

Almost surely, 2^12405354718 is an apocalyptic number.

12405354718 is a deficient number, since it is larger than the sum of its proper divisors (6479885138).

12405354718 is an equidigital number, since it uses as much as digits as its factorization.

12405354718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100539.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 12405354718 in words is "twelve billion, four hundred five million, three hundred fifty-four thousand, seven hundred eighteen".