12318953955 has 32 divisors (see below), whose sum is σ = 24573915648. Its totient is φ = 5119564800.

The previous prime is 12318953953. The next prime is 12318953963. The reversal of 12318953955 is 55935981321.

12318953955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12318953955 - 2¹ = 12318953953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12318953898 and 12318953907.

It is not an unprimeable number, because it can be changed into a prime (12318953953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5331726 + ... + 5334035.

It is an arithmetic number, because the mean of its divisors is an integer number (767934864).

Almost surely, 2^12318953955 is an apocalyptic number.

12318953955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12318953955 is a deficient number, since it is larger than the sum of its proper divisors (12254961693).

12318953955 is a wasteful number, since it uses less digits than its factorization.

12318953955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10665787.

The product of its digits is 1458000, while the sum is 51.

The spelling of 12318953955 in words is "twelve billion, three hundred eighteen million, nine hundred fifty-three thousand, nine hundred fifty-five".