12143551052441 has 12 divisors (see below), whose sum is σ = 12321102170172. Its totient is φ = 11966312565504.

The previous prime is 12143551052407. The next prime is 12143551052459. The reversal of 12143551052441 is 14425015534121.

12143551052441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3341203786816 + 8802347265625 = 1827896^2 + 2966875^2 .

It is not a de Polignac number, because 12143551052441 - 2²² = 12143546858137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12143551052395 and 12143551052404.

It is not an unprimeable number, because it can be changed into a prime (12143551052471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89713685 + ... + 89848941.

It is an arithmetic number, because the mean of its divisors is an integer number (1026758514181).

Almost surely, 2^{12143551052441} is an apocalyptic number.

It is an amenable number.

12143551052441 is a deficient number, since it is larger than the sum of its proper divisors (177551117731).

12143551052441 is an frugal number, since it uses more digits than its factorization.

12143551052441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137548 (or 136439 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 12143551052441 its reverse (14425015534121), we get a palindrome (26568566586562).

The spelling of 12143551052441 in words is "twelve trillion, one hundred forty-three billion, five hundred fifty-one million, fifty-two thousand, four hundred forty-one".