12424342145 has 8 divisors (see below), whose sum is σ = 14926138920. Its totient is φ = 9928188160.

The previous prime is 12424342103. The next prime is 12424342153. The reversal of 12424342145 is 54124342421.

It can be written as a sum of positive squares in 4 ways, for example, as 2499600016 + 9924742129 = 49996^2 + 99623^2 .

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

It is not a de Polignac number, because 12424342145 - 2¹² = 12424338049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405850 + ... + 1414659.

It is an arithmetic number, because the mean of its divisors is an integer number (1865767365).

Almost surely, 2^12424342145 is an apocalyptic number.

It is an amenable number.

12424342145 is a deficient number, since it is larger than the sum of its proper divisors (2501796775).

12424342145 is an equidigital number, since it uses as much as digits as its factorization.

12424342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821395.

The product of its digits is 30720, while the sum is 32.

Adding to 12424342145 its reverse (54124342421), we get a palindrome (66548684566).

The spelling of 12424342145 in words is "twelve billion, four hundred twenty-four million, three hundred forty-two thousand, one hundred forty-five".