12280796847 has 48 divisors (see below), whose sum is σ = 20844435456. Its totient is φ = 6889608000.

The previous prime is 12280796819. The next prime is 12280796887. The reversal of 12280796847 is 74869708221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12280796847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12280796793 and 12280796802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280796887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16404 + ... + 157577.

It is an arithmetic number, because the mean of its divisors is an integer number (434259072).

Almost surely, 2^12280796847 is an apocalyptic number.

12280796847 is a deficient number, since it is larger than the sum of its proper divisors (8563638609).

12280796847 is a wasteful number, since it uses less digits than its factorization.

12280796847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174052 (or 174049 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 12280796847 in words is "twelve billion, two hundred eighty million, seven hundred ninety-six thousand, eight hundred forty-seven".