12570384247 has 4 divisors (see below), whose sum is σ = 12583659096. Its totient is φ = 12557109400.

The previous prime is 12570384221. The next prime is 12570384263. The reversal of 12570384247 is 74248307521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12570384247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570384347) 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, 6636004 + ... + 6637897.

It is an arithmetic number, because the mean of its divisors is an integer number (3145914774).

Almost surely, 2^12570384247 is an apocalyptic number.

12570384247 is a deficient number, since it is larger than the sum of its proper divisors (13274849).

12570384247 is an equidigital number, since it uses as much as digits as its factorization.

12570384247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13274848.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 12570384247 in words is "twelve billion, five hundred seventy million, three hundred eighty-four thousand, two hundred forty-seven".