128450512752 has 40 divisors (see below), whose sum is σ = 331865556864. Its totient is φ = 42812313024.

The previous prime is 128450512741. The next prime is 128450512763. The reversal of 128450512752 is 257215054821.

128450512752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (128450512741) and next prime (128450512763).

It is a super-2 number, since 2×128450512752² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 334053 + ... + 607035.

Almost surely, 2^128450512752 is an apocalyptic number.

128450512752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128450512752 is an abundant number, since it is smaller than the sum of its proper divisors (203415044112).

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

128450512752 is a wasteful number, since it uses less digits than its factorization.

128450512752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282797 (or 282791 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 128450512752 in words is "one hundred twenty-eight billion, four hundred fifty million, five hundred twelve thousand, seven hundred fifty-two".