12558001147 has 4 divisors (see below), whose sum is σ = 12558274216. Its totient is φ = 12557728080.

The previous prime is 12558001117. The next prime is 12558001153. The reversal of 12558001147 is 74110085521.

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 12558001147 - 2⁷ = 12558001019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12558001117) 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, 48729 + ... + 165802.

It is an arithmetic number, because the mean of its divisors is an integer number (3139568554).

Almost surely, 2^12558001147 is an apocalyptic number.

12558001147 is a deficient number, since it is larger than the sum of its proper divisors (273069).

12558001147 is an equidigital number, since it uses as much as digits as its factorization.

12558001147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273068.

The product of its (nonzero) digits is 11200, while the sum is 34.

Adding to 12558001147 its reverse (74110085521), we get a palindrome (86668086668).

The spelling of 12558001147 in words is "twelve billion, five hundred fifty-eight million, one thousand, one hundred forty-seven".