12431134142 has 64 divisors (see below), whose sum is σ = 23390208000. Its totient is φ = 4834432512.

The previous prime is 12431134129. The next prime is 12431134207. The reversal of 12431134142 is 24143113421.

It is a congruent number.

It is an unprimeable number.

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, 973334 + ... + 986022.

It is an arithmetic number, because the mean of its divisors is an integer number (365472000).

Almost surely, 2^12431134142 is an apocalyptic number.

12431134142 is a deficient number, since it is larger than the sum of its proper divisors (10959073858).

12431134142 is a wasteful number, since it uses less digits than its factorization.

12431134142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873.

The product of its digits is 2304, while the sum is 26.

Adding to 12431134142 its reverse (24143113421), we get a palindrome (36574247563).

The spelling of 12431134142 in words is "twelve billion, four hundred thirty-one million, one hundred thirty-four thousand, one hundred forty-two".