12808057416 has 128 divisors (see below), whose sum is σ = 40309401600. Its totient is φ = 3294420480.

The previous prime is 12808057399. The next prime is 12808057417. The reversal of 12808057416 is 61475080821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12808057417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156700 + ... + 223988.

It is an arithmetic number, because the mean of its divisors is an integer number (314917200).

Almost surely, 2^12808057416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12808057416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20154700800).

12808057416 is an abundant number, since it is smaller than the sum of its proper divisors (27501344184).

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

12808057416 is a wasteful number, since it uses less digits than its factorization.

12808057416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67419 (or 67415 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 12808057416 in words is "twelve billion, eight hundred eight million, fifty-seven thousand, four hundred sixteen".