12242042431 has 8 divisors (see below), whose sum is σ = 13095794880. Its totient is φ = 11403138048.

The previous prime is 12242042419. The next prime is 12242042447. The reversal of 12242042431 is 13424024221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12242042431 - 2²¹ = 12239945279 is a prime.

It is a super-2 number, since 2×12242042431² (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 = 12242042396 and 12242042405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242042401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3710311 + ... + 3713608.

It is an arithmetic number, because the mean of its divisors is an integer number (1636974360).

Almost surely, 2^12242042431 is an apocalyptic number.

12242042431 is a deficient number, since it is larger than the sum of its proper divisors (853752449).

12242042431 is an equidigital number, since it uses as much as digits as its factorization.

12242042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424033.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12242042431 its reverse (13424024221), we get a palindrome (25666066652).

The spelling of 12242042431 in words is "twelve billion, two hundred forty-two million, forty-two thousand, four hundred thirty-one".