12044450331 has 16 divisors (see below), whose sum is σ = 17894772000. Its totient is φ = 8006619744.

The previous prime is 12044450311. The next prime is 12044450357. The reversal of 12044450331 is 13305444021.

It is a happy number.

12044450331 is a `hidden beast` number, since 1 + 204 + 4 + 450 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 12044450331 - 2¹⁸ = 12044188187 is a prime.

It is a super-2 number, since 2×12044450331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12044450295 and 12044450304.

It is not an unprimeable number, because it can be changed into a prime (12044450311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629676 + ... + 648521.

It is an arithmetic number, because the mean of its divisors is an integer number (1118423250).

Almost surely, 2^12044450331 is an apocalyptic number.

12044450331 is a deficient number, since it is larger than the sum of its proper divisors (5850321669).

12044450331 is a wasteful number, since it uses less digits than its factorization.

12044450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278555 (or 1278549 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12044450331 its reverse (13305444021), we get a palindrome (25349894352).

The spelling of 12044450331 in words is "twelve billion, forty-four million, four hundred fifty thousand, three hundred thirty-one".