128947372580102 has 16 divisors (see below), whose sum is σ = 199229946381312. Its totient is φ = 62557249897800.

The previous prime is 128947372580051. The next prime is 128947372580161. The reversal of 128947372580102 is 201085273749821.

It is a super-2 number, since 2×128947372580102² (a number of 29 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, 4964848118 + ... + 4964874089.

It is an arithmetic number, because the mean of its divisors is an integer number (12451871648832).

Almost surely, 2^{128947372580102} is an apocalyptic number.

128947372580102 is a deficient number, since it is larger than the sum of its proper divisors (70282573801210).

128947372580102 is a wasteful number, since it uses less digits than its factorization.

128947372580102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929722403.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 128947372580102 in words is "one hundred twenty-eight trillion, nine hundred forty-seven billion, three hundred seventy-two million, five hundred eighty thousand, one hundred two".