12424043630505 has 32 divisors (see below), whose sum is σ = 21480646392576. Its totient is φ = 6095576957184.

The previous prime is 12424043630501. The next prime is 12424043630507. The reversal of 12424043630505 is 50503634042421.

It is not a de Polignac number, because 12424043630505 - 2² = 12424043630501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12424043630501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108668197 + ... + 108782466.

It is an arithmetic number, because the mean of its divisors is an integer number (671270199768).

Almost surely, 2^{12424043630505} is an apocalyptic number.

12424043630505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12424043630505 is a deficient number, since it is larger than the sum of its proper divisors (9056602762071).

12424043630505 is a wasteful number, since it uses less digits than its factorization.

12424043630505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217450977.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 12424043630505 its reverse (50503634042421), we get a palindrome (62927677672926).

The spelling of 12424043630505 in words is "twelve trillion, four hundred twenty-four billion, forty-three million, six hundred thirty thousand, five hundred five".