12143024431 has 16 divisors (see below), whose sum is σ = 13102566400. Its totient is φ = 11216475648.

The previous prime is 12143024381. The next prime is 12143024447. The reversal of 12143024431 is 13442034121.

It is a cyclic number.

It is not a de Polignac number, because 12143024431 - 2¹¹ = 12143022383 is a prime.

It is a super-2 number, since 2×12143024431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12143024396 and 12143024405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143021431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458530 + ... + 484288.

It is an arithmetic number, because the mean of its divisors is an integer number (818910400).

Almost surely, 2^12143024431 is an apocalyptic number.

12143024431 is a deficient number, since it is larger than the sum of its proper divisors (959541969).

12143024431 is a wasteful number, since it uses less digits than its factorization.

12143024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26398.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12143024431 its reverse (13442034121), we get a palindrome (25585058552).

The spelling of 12143024431 in words is "twelve billion, one hundred forty-three million, twenty-four thousand, four hundred thirty-one".