12724148867 has 4 divisors (see below), whose sum is σ = 12743399376. Its totient is φ = 12704898360.

The previous prime is 12724148839. The next prime is 12724148881. The reversal of 12724148867 is 76884142721.

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 12724148867 - 2²² = 12719954563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724148897) 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, 9624263 + ... + 9625584.

It is an arithmetic number, because the mean of its divisors is an integer number (3185849844).

Almost surely, 2^12724148867 is an apocalyptic number.

12724148867 is a deficient number, since it is larger than the sum of its proper divisors (19250509).

12724148867 is an equidigital number, since it uses as much as digits as its factorization.

12724148867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250508.

The product of its digits is 1204224, while the sum is 50.

The spelling of 12724148867 in words is "twelve billion, seven hundred twenty-four million, one hundred forty-eight thousand, eight hundred sixty-seven".