12424142321123 has 8 divisors (see below), whose sum is σ = 13476103460400. Its totient is φ = 11385932308128.

The previous prime is 12424142321117. The next prime is 12424142321161. The reversal of 12424142321123 is 32112324142421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12424142321123 is a prime.

It is a super-2 number, since 2×12424142321123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12424142321123.

It is not an unprimeable number, because it can be changed into a prime (12424142320123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437779688 + ... + 3437783301.

It is an arithmetic number, because the mean of its divisors is an integer number (1684512932550).

Almost surely, 2^{12424142321123} is an apocalyptic number.

12424142321123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12424142321123 is a deficient number, since it is larger than the sum of its proper divisors (1051961139277).

12424142321123 is a wasteful number, since it uses less digits than its factorization.

12424142321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875563141.

The product of its digits is 18432, while the sum is 32.

Adding to 12424142321123 its reverse (32112324142421), we get a palindrome (44536466463544).

The spelling of 12424142321123 in words is "twelve trillion, four hundred twenty-four billion, one hundred forty-two million, three hundred twenty-one thousand, one hundred twenty-three".