12203105440 has 24 divisors (see below), whose sum is σ = 28829836980. Its totient is φ = 4881242112.

The previous prime is 12203105437. The next prime is 12203105491. The reversal of 12203105440 is 4450130221.

12203105440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11906301456 + 296803984 = 109116^2 + 17228^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38134545 + ... + 38134864.

Almost surely, 2^12203105440 is an apocalyptic number.

12203105440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203105440 is an abundant number, since it is smaller than the sum of its proper divisors (16626731540).

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

12203105440 is an equidigital number, since it uses as much as digits as its factorization.

12203105440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76269424 (or 76269416 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12203105440 its reverse (4450130221), we get a palindrome (16653235661).

The spelling of 12203105440 in words is "twelve billion, two hundred three million, one hundred five thousand, four hundred forty".