12557403812382 has 64 divisors (see below), whose sum is σ = 29521315724544. Its totient is φ = 3510678666240.

The previous prime is 12557403812341. The next prime is 12557403812419. The reversal of 12557403812382 is 28321830475521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2317683 + ... + 5521454.

It is an arithmetic number, because the mean of its divisors is an integer number (461270558196).

Almost surely, 2^{12557403812382} is an apocalyptic number.

12557403812382 is an abundant number, since it is smaller than the sum of its proper divisors (16963911912162).

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

12557403812382 is a wasteful number, since it uses less digits than its factorization.

12557403812382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841033.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 12557403812382 in words is "twelve trillion, five hundred fifty-seven billion, four hundred three million, eight hundred twelve thousand, three hundred eighty-two".