128476212480 has 2160 divisors, whose sum is σ = 619160794560. Its totient is φ = 25291284480.

The previous prime is 128476212451. The next prime is 128476212511. The reversal of 128476212480 is 84212674821.

128476212480 is a `hidden beast` number, since 1 + 2 + 84 + 76 + 21 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a super-2 number, since 2×128476212480² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 239 ways as a sum of consecutive naturals, for example, 6761905911 + ... + 6761905929.

It is an arithmetic number, because the mean of its divisors is an integer number (286648516).

Almost surely, 2^128476212480 is an apocalyptic number.

128476212480 is a gapful number since it is divisible by the number (10) 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 128476212480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309580397280).

128476212480 is an abundant number, since it is smaller than the sum of its proper divisors (490684582080).

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

128476212480 is an equidigital number, since it uses as much as digits as its factorization.

128476212480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 128476212480 in words is "one hundred twenty-eight billion, four hundred seventy-six million, two hundred twelve thousand, four hundred eighty".