12465712243 has 2 divisors, whose sum is σ = 12465712244. Its totient is φ = 12465712242.

The previous prime is 12465712211. The next prime is 12465712277. The reversal of 12465712243 is 34221756421.

It is a weak prime.

It is an emirp because it is prime and its reverse (34221756421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12465712243 - 2⁵ = 12465712211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12465713243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6232856121 + 6232856122.

It is an arithmetic number, because the mean of its divisors is an integer number (6232856122).

Almost surely, 2^12465712243 is an apocalyptic number.

12465712243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12465712243 is an equidigital number, since it uses as much as digits as its factorization.

12465712243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

It can be divided in two parts, 124657 and 12243, that added together give a square (136900 = 370²).

The spelling of 12465712243 in words is "twelve billion, four hundred sixty-five million, seven hundred twelve thousand, two hundred forty-three".