12800564246 has 4 divisors (see below), whose sum is σ = 19200846372. Its totient is φ = 6400282122.

The previous prime is 12800564213. The next prime is 12800564281. The reversal of 12800564246 is 64246500821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64246500821 = 179 ⋅358918999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200141060 + ... + 3200141063.

It is an arithmetic number, because the mean of its divisors is an integer number (4800211593).

Almost surely, 2^12800564246 is an apocalyptic number.

12800564246 is a deficient number, since it is larger than the sum of its proper divisors (6400282126).

12800564246 is an equidigital number, since it uses as much as digits as its factorization.

12800564246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400282125.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 12800564246 in words is "twelve billion, eight hundred million, five hundred sixty-four thousand, two hundred forty-six".