12143242431513 has 24 divisors (see below), whose sum is σ = 17568817418880. Its totient is φ = 8082309631200.

The previous prime is 12143242431499. The next prime is 12143242431581. The reversal of 12143242431513 is 31513424234121.

12143242431513 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 324 + 2 + 4 + 315 + 13 = 666.

It is not a de Polignac number, because 12143242431513 - 2¹³ = 12143242423321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12143242430513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31371568 + ... + 31756286.

It is an arithmetic number, because the mean of its divisors is an integer number (732034059120).

Almost surely, 2^{12143242431513} is an apocalyptic number.

It is an amenable number.

12143242431513 is a deficient number, since it is larger than the sum of its proper divisors (5425574987367).

12143242431513 is a wasteful number, since it uses less digits than its factorization.

12143242431513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390429 (or 390426 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 12143242431513 its reverse (31513424234121), we get a palindrome (43656666665634).

The spelling of 12143242431513 in words is "twelve trillion, one hundred forty-three billion, two hundred forty-two million, four hundred thirty-one thousand, five hundred thirteen".