12282439357 has 4 divisors (see below), whose sum is σ = 12316652640. Its totient is φ = 12248226076.

The previous prime is 12282439319. The next prime is 12282439381. The reversal of 12282439357 is 75393428221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75393428221 = 16843 ⋅4476247.

It is a cyclic number.

It is not a de Polignac number, because 12282439357 - 2¹⁹ = 12281915069 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 (12282439387) 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, 17106103 + ... + 17106820.

It is an arithmetic number, because the mean of its divisors is an integer number (3079163160).

Almost surely, 2^12282439357 is an apocalyptic number.

It is an amenable number.

12282439357 is a deficient number, since it is larger than the sum of its proper divisors (34213283).

12282439357 is an equidigital number, since it uses as much as digits as its factorization.

12282439357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34213282.

The product of its digits is 725760, while the sum is 46.

The spelling of 12282439357 in words is "twelve billion, two hundred eighty-two million, four hundred thirty-nine thousand, three hundred fifty-seven".