12143544534121 has 32 divisors (see below), whose sum is σ = 16304917708800. Its totient is φ = 8734457551680.

The previous prime is 12143544534089. The next prime is 12143544534161.

12143544534121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12143544534121 - 2⁵ = 12143544534089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12143544534161) 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 31 ways as a sum of consecutive naturals, for example, 96993400 + ... + 97118518.

It is an arithmetic number, because the mean of its divisors is an integer number (509528678400).

Almost surely, 2^{12143544534121} is an apocalyptic number.

12143544534121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12143544534121 is a deficient number, since it is larger than the sum of its proper divisors (4161373174679).

12143544534121 is a wasteful number, since it uses less digits than its factorization.

12143544534121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222109.

The product of its digits is 230400, while the sum is 40.

It can be divided in two parts, 1214354 and 4534121, that added together give a palindrome (5748475).

The spelling of 12143544534121 in words is "twelve trillion, one hundred forty-three billion, five hundred forty-four million, five hundred thirty-four thousand, one hundred twenty-one".