12024310431 has 32 divisors (see below), whose sum is σ = 18993968640. Its totient is φ = 6622805376.

The previous prime is 12024310429. The next prime is 12024310447. The reversal of 12024310431 is 13401342021.

It is not a de Polignac number, because 12024310431 - 2¹ = 12024310429 is a prime.

It is a super-2 number, since 2×12024310431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12024310398 and 12024310407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12024314431) 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, 10825 + ... + 155453.

It is an arithmetic number, because the mean of its divisors is an integer number (593561520).

Almost surely, 2^12024310431 is an apocalyptic number.

12024310431 is a deficient number, since it is larger than the sum of its proper divisors (6969658209).

12024310431 is a wasteful number, since it uses less digits than its factorization.

12024310431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144783.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12024310431 its reverse (13401342021), we get a palindrome (25425652452).

The spelling of 12024310431 in words is "twelve billion, twenty-four million, three hundred ten thousand, four hundred thirty-one".