12022444240000 has 80 divisors (see below), whose sum is σ = 29929123731870. Its totient is φ = 4808977664000.

The previous prime is 12022444239977. The next prime is 12022444240003. The reversal of 12022444240000 is 4244422021.

It can be written as a sum of positive squares in 5 ways, for example, as 247279441984 + 11775164798016 = 497272^2 + 3431496^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12022444240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75060277 + ... + 75220276.

Almost surely, 2^{12022444240000} is an apocalyptic number.

12022444240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022444240000 is an abundant number, since it is smaller than the sum of its proper divisors (17906679491870).

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

12022444240000 is an frugal number, since it uses more digits than its factorization.

12022444240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150280587 (or 150280560 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 12022444240000 its reverse (4244422021), we get a palindrome (12026688662021).

The spelling of 12022444240000 in words is "twelve trillion, twenty-two billion, four hundred forty-four million, two hundred forty thousand".