12444432031 has 8 divisors (see below), whose sum is σ = 12586587840. Its totient is φ = 12302328192.

The previous prime is 12444432029. The next prime is 12444432047. The reversal of 12444432031 is 13023444421.

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 12444432031 - 2¹ = 12444432029 is a prime.

It is a super-2 number, since 2×12444432031² (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 (12444432431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673786 + ... + 692008.

It is an arithmetic number, because the mean of its divisors is an integer number (1573323480).

Almost surely, 2^12444432031 is an apocalyptic number.

12444432031 is a deficient number, since it is larger than the sum of its proper divisors (142155809).

12444432031 is an equidigital number, since it uses as much as digits as its factorization.

12444432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25985.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12444432031 its reverse (13023444421), we get a palindrome (25467876452).

The spelling of 12444432031 in words is "twelve billion, four hundred forty-four million, four hundred thirty-two thousand, thirty-one".