12530562067 has 4 divisors (see below), whose sum is σ = 12596167296. Its totient is φ = 12464956840.

The previous prime is 12530562059. The next prime is 12530562089. The reversal of 12530562067 is 76026503521.

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 12530562067 - 2³ = 12530562059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12530562007) 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, 32802328 + ... + 32802709.

It is an arithmetic number, because the mean of its divisors is an integer number (3149041824).

Almost surely, 2^12530562067 is an apocalyptic number.

12530562067 is a deficient number, since it is larger than the sum of its proper divisors (65605229).

12530562067 is an equidigital number, since it uses as much as digits as its factorization.

12530562067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65605228.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 12530562067 in words is "twelve billion, five hundred thirty million, five hundred sixty-two thousand, sixty-seven".