12144442031 has 8 divisors (see below), whose sum is σ = 13206357360. Its totient is φ = 11121141888.

The previous prime is 12144442007. The next prime is 12144442039. The reversal of 12144442031 is 13024444121.

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 12144442031 - 2²⁶ = 12077333167 is a prime.

It is a super-2 number, since 2×12144442031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144442039) 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, 9653141 + ... + 9654398.

It is an arithmetic number, because the mean of its divisors is an integer number (1650794670).

Almost surely, 2^12144442031 is an apocalyptic number.

12144442031 is a deficient number, since it is larger than the sum of its proper divisors (1061915329).

12144442031 is a wasteful number, since it uses less digits than its factorization.

12144442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19307593.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12144442031 its reverse (13024444121), we get a palindrome (25168886152).

The spelling of 12144442031 in words is "twelve billion, one hundred forty-four million, four hundred forty-two thousand, thirty-one".