12462943947 has 4 divisors (see below), whose sum is σ = 16617258600. Its totient is φ = 8308629296.

The previous prime is 12462943937. The next prime is 12462943949. The reversal of 12462943947 is 74934926421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12462943947 - 2¹⁰ = 12462942923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12462943947.

It is not an unprimeable number, because it can be changed into a prime (12462943949) 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, 2077157322 + ... + 2077157327.

It is an arithmetic number, because the mean of its divisors is an integer number (4154314650).

Almost surely, 2^12462943947 is an apocalyptic number.

12462943947 is a deficient number, since it is larger than the sum of its proper divisors (4154314653).

12462943947 is an equidigital number, since it uses as much as digits as its factorization.

12462943947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154314652.

The product of its digits is 2612736, while the sum is 51.

The spelling of 12462943947 in words is "twelve billion, four hundred sixty-two million, nine hundred forty-three thousand, nine hundred forty-seven".