12980240811 has 24 divisors (see below), whose sum is σ = 19758669840. Its totient is φ = 8188646400.

The previous prime is 12980240807. The next prime is 12980240821. The reversal of 12980240811 is 11804208921.

It is a happy number.

12980240811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12980240811 - 2² = 12980240807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12980240821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107571 + ... + 193731.

It is an arithmetic number, because the mean of its divisors is an integer number (823277910).

Almost surely, 2^12980240811 is an apocalyptic number.

12980240811 is a deficient number, since it is larger than the sum of its proper divisors (6778429029).

12980240811 is a wasteful number, since it uses less digits than its factorization.

12980240811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87067 (or 87064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 12980240811 in words is "twelve billion, nine hundred eighty million, two hundred forty thousand, eight hundred eleven".