12420242341 has 4 divisors (see below), whose sum is σ = 13375645612. Its totient is φ = 11464839072.

The previous prime is 12420242327. The next prime is 12420242357. The reversal of 12420242341 is 14324202421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14324202421 = 1567 ⋅9141163.

It can be written as a sum of positive squares in 2 ways, for example, as 7357350625 + 5062891716 = 85775^2 + 71154^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420242341 - 2²³ = 12411853733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420242321) 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 3 ways as a sum of consecutive naturals, for example, 477701616 + ... + 477701641.

It is an arithmetic number, because the mean of its divisors is an integer number (3343911403).

Almost surely, 2^12420242341 is an apocalyptic number.

It is an amenable number.

12420242341 is a deficient number, since it is larger than the sum of its proper divisors (955403271).

12420242341 is an equidigital number, since it uses as much as digits as its factorization.

12420242341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955403270.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12420242341 its reverse (14324202421), we get a palindrome (26744444762).

The spelling of 12420242341 in words is "twelve billion, four hundred twenty million, two hundred forty-two thousand, three hundred forty-one".