12917420775488 has 28 divisors (see below), whose sum is σ = 26178389981952. Its totient is φ = 6321291016320.

The previous prime is 12917420775481. The next prime is 12917420775557. The reversal of 12917420775488 is 88457702471921.

It is not an unprimeable number, because it can be changed into a prime (12917420775481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147174648 + ... + 2147180663.

Almost surely, 2^{12917420775488} is an apocalyptic number.

It is an amenable number.

12917420775488 is an abundant number, since it is smaller than the sum of its proper divisors (13260969206464).

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

12917420775488 is an equidigital number, since it uses as much as digits as its factorization.

12917420775488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294355370 (or 4294355360 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 65.

The spelling of 12917420775488 in words is "twelve trillion, nine hundred seventeen billion, four hundred twenty million, seven hundred seventy-five thousand, four hundred eighty-eight".