12820904108832 has 48 divisors (see below), whose sum is σ = 33655499498880. Its totient is φ = 4273555183872.

The previous prime is 12820904108743. The next prime is 12820904108843. The reversal of 12820904108832 is 23880140902821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061058 + ... + 6491070.

It is an arithmetic number, because the mean of its divisors is an integer number (701156239560).

Almost surely, 2^{12820904108832} is an apocalyptic number.

12820904108832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12820904108832 is an abundant number, since it is smaller than the sum of its proper divisors (20834595390048).

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

12820904108832 is a wasteful number, since it uses less digits than its factorization.

12820904108832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484985 (or 2484977 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 12820904108832 in words is "twelve trillion, eight hundred twenty billion, nine hundred four million, one hundred eight thousand, eight hundred thirty-two".