12342242413 has 4 divisors (see below), whose sum is σ = 12420855580. Its totient is φ = 12263629248.

The previous prime is 12342242401. The next prime is 12342242453. The reversal of 12342242413 is 31424224321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6006560004 + 6335682409 = 77502^2 + 79597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12342242413 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 (12342242453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39306348 + ... + 39306661.

It is an arithmetic number, because the mean of its divisors is an integer number (3105213895).

Almost surely, 2^12342242413 is an apocalyptic number.

It is an amenable number.

12342242413 is a deficient number, since it is larger than the sum of its proper divisors (78613167).

12342242413 is an equidigital number, since it uses as much as digits as its factorization.

12342242413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78613166.

The product of its digits is 9216, while the sum is 28.

Adding to 12342242413 its reverse (31424224321), we get a palindrome (43766466734).

The spelling of 12342242413 in words is "twelve billion, three hundred forty-two million, two hundred forty-two thousand, four hundred thirteen".