128188038000 has 320 divisors, whose sum is σ = 465399926784. Its totient is φ = 30072960000.

The previous prime is 128188037987. The next prime is 128188038091. The reversal of 128188038000 is 830881821.

It is a self number, because there is not a number n which added to its sum of digits gives 128188038000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2014674 + ... + 2077326.

Almost surely, 2^128188038000 is an apocalyptic number.

128188038000 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 128188038000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232699963392).

128188038000 is an abundant number, since it is smaller than the sum of its proper divisors (337211888784).

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

128188038000 is a wasteful number, since it uses less digits than its factorization.

128188038000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62721 (or 62705 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 39.

The spelling of 128188038000 in words is "one hundred twenty-eight billion, one hundred eighty-eight million, thirty-eight thousand".