127992922512 has 640 divisors, whose sum is σ = 439758520320. Its totient is φ = 31173672960.

The previous prime is 127992922501. The next prime is 127992922597. The reversal of 127992922512 is 215229299721.

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 127 ways as a sum of consecutive naturals, for example, 295595448 + ... + 295595880.

It is an arithmetic number, because the mean of its divisors is an integer number (687122688).

Almost surely, 2^127992922512 is an apocalyptic number.

127992922512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127992922512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219879260160).

127992922512 is an abundant number, since it is smaller than the sum of its proper divisors (311765597808).

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

127992922512 is a wasteful number, since it uses less digits than its factorization.

127992922512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 585 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The spelling of 127992922512 in words is "one hundred twenty-seven billion, nine hundred ninety-two million, nine hundred twenty-two thousand, five hundred twelve".