12444233320 has 16 divisors (see below), whose sum is σ = 27999525060. Its totient is φ = 4977693312.

The previous prime is 12444233317. The next prime is 12444233327. The reversal of 12444233320 is 2333244421.

It can be written as a sum of positive squares in 2 ways, for example, as 11728456804 + 715776516 = 108298^2 + 26754^2 .

It is not an unprimeable number, because it can be changed into a prime (12444233327) 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, 155552877 + ... + 155552956.

Almost surely, 2^12444233320 is an apocalyptic number.

12444233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444233320 is an abundant number, since it is smaller than the sum of its proper divisors (15555291740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12444233320 is a wasteful number, since it uses less digits than its factorization.

12444233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311105844 (or 311105840 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12444233320 its reverse (2333244421), we get a palindrome (14777477741).

The spelling of 12444233320 in words is "twelve billion, four hundred forty-four million, two hundred thirty-three thousand, three hundred twenty".