12820614548 has 24 divisors (see below), whose sum is σ = 25905577152. Its totient is φ = 5437903104.

The previous prime is 12820614533. The next prime is 12820614571. The reversal of 12820614548 is 84541602821.

12820614548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2357486 + ... + 2362917.

It is an arithmetic number, because the mean of its divisors is an integer number (1079399048).

Almost surely, 2^12820614548 is an apocalyptic number.

It is an amenable number.

12820614548 is an abundant number, since it is smaller than the sum of its proper divisors (13084962604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12820614548 is a wasteful number, since it uses less digits than its factorization.

12820614548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720511 (or 4720509 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 12820614548 in words is "twelve billion, eight hundred twenty million, six hundred fourteen thousand, five hundred forty-eight".