12444030040331 has 4 divisors (see below), whose sum is σ = 12444229471992. Its totient is φ = 12443830608672.

The previous prime is 12444030040171. The next prime is 12444030040361. The reversal of 12444030040331 is 13304003044421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12444030040331 - 2¹⁴ = 12444030023947 is a prime.

It is a super-2 number, since 2×12444030040331² (a number of 27 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 = 12444030040294 and 12444030040303.

It is not an unprimeable number, because it can be changed into a prime (12444030040361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99622205 + ... + 99747038.

It is an arithmetic number, because the mean of its divisors is an integer number (3111057367998).

Almost surely, 2^{12444030040331} is an apocalyptic number.

12444030040331 is a deficient number, since it is larger than the sum of its proper divisors (199431661).

12444030040331 is an equidigital number, since it uses as much as digits as its factorization.

12444030040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199431660.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12444030040331 its reverse (13304003044421), we get a palindrome (25748033084752).

The spelling of 12444030040331 in words is "twelve trillion, four hundred forty-four billion, thirty million, forty thousand, three hundred thirty-one".