12844320251 has 8 divisors (see below), whose sum is σ = 14680439520. Its totient is φ = 11008505088.

The previous prime is 12844320227. The next prime is 12844320257. The reversal of 12844320251 is 15202344821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12844320251 - 2¹⁰ = 12844319227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12844320257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23105 + ... + 161933.

It is an arithmetic number, because the mean of its divisors is an integer number (1835054940).

Almost surely, 2^12844320251 is an apocalyptic number.

12844320251 is a deficient number, since it is larger than the sum of its proper divisors (1836119269).

12844320251 is a wasteful number, since it uses less digits than its factorization.

12844320251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152053.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 12844320251 in words is "twelve billion, eight hundred forty-four million, three hundred twenty thousand, two hundred fifty-one".