13124421341205 has 32 divisors (see below), whose sum is σ = 22667666261760. Its totient is φ = 6464482590720.

The previous prime is 13124421341167. The next prime is 13124421341299. The reversal of 13124421341205 is 50214312442131.

It is not a de Polignac number, because 13124421341205 - 2¹¹ = 13124421339157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655883116 + ... + 655903125.

It is an arithmetic number, because the mean of its divisors is an integer number (708364570680).

Almost surely, 2^{13124421341205} is an apocalyptic number.

13124421341205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13124421341205 is a deficient number, since it is larger than the sum of its proper divisors (9543244920555).

13124421341205 is a wasteful number, since it uses less digits than its factorization.

13124421341205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311786301.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 13124421341205 its reverse (50214312442131), we get a palindrome (63338733783336).

The spelling of 13124421341205 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twenty-one million, three hundred forty-one thousand, two hundred five".