12315282769 has 4 divisors (see below), whose sum is σ = 12369535344. Its totient is φ = 12261030196.

The previous prime is 12315282761. The next prime is 12315282779. The reversal of 12315282769 is 96728251321.

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: 96728251321 = 13 ⋅7440634717.

It is a cyclic number.

It is not a de Polignac number, because 12315282769 - 2³ = 12315282761 is a prime.

It is a super-2 number, since 2×12315282769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315282761) 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, 27125947 + ... + 27126400.

It is an arithmetic number, because the mean of its divisors is an integer number (3092383836).

Almost surely, 2^12315282769 is an apocalyptic number.

It is an amenable number.

12315282769 is a deficient number, since it is larger than the sum of its proper divisors (54252575).

12315282769 is an equidigital number, since it uses as much as digits as its factorization.

12315282769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54252574.

The product of its digits is 362880, while the sum is 46.

The spelling of 12315282769 in words is "twelve billion, three hundred fifteen million, two hundred eighty-two thousand, seven hundred sixty-nine".