12422143521015 has 32 divisors (see below), whose sum is σ = 19903762506240. Its totient is φ = 6615700350336.

The previous prime is 12422143520911. The next prime is 12422143521089. The reversal of 12422143521015 is 51012534122421.

It is a de Polignac number, because none of the positive numbers 2^k-12422143521015 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, 169066356 + ... + 169139814.

It is an arithmetic number, because the mean of its divisors is an integer number (621992578320).

Almost surely, 2^{12422143521015} is an apocalyptic number.

12422143521015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12422143521015 is a deficient number, since it is larger than the sum of its proper divisors (7481618985225).

12422143521015 is a wasteful number, since it uses less digits than its factorization.

12422143521015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89383.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 12422143521015 its reverse (51012534122421), we get a palindrome (63434677643436).

The spelling of 12422143521015 in words is "twelve trillion, four hundred twenty-two billion, one hundred forty-three million, five hundred twenty-one thousand, fifteen".