12243422440040 has 64 divisors (see below), whose sum is σ = 30070396661760. Its totient is φ = 4449433649920.

The previous prime is 12243422439991. The next prime is 12243422440061. The reversal of 12243422440040 is 4004422434221.

It is a junction number, because it is equal to n+sod(n) for n = 12243422439979 and 12243422440006.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7778792 + ... + 9219351.

It is an arithmetic number, because the mean of its divisors is an integer number (469849947840).

Almost surely, 2^{12243422440040} is an apocalyptic number.

12243422440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243422440040 is an abundant number, since it is smaller than the sum of its proper divisors (17826974221720).

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

12243422440040 is a wasteful number, since it uses less digits than its factorization.

12243422440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999802 (or 16999798 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 12243422440040 its reverse (4004422434221), we get a palindrome (16247844874261).

The spelling of 12243422440040 in words is "twelve trillion, two hundred forty-three billion, four hundred twenty-two million, four hundred forty thousand, forty".