128613033387852 has 192 divisors, whose sum is σ = 340668478080000. Its totient is φ = 37486329172992.

The previous prime is 128613033387767. The next prime is 128613033387913. The reversal of 128613033387852 is 258783330316821.

It is a super-2 number, since 2×128613033387852² (a number of 29 digits) contains 22 as substring.

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, 133779774 + ... + 134737722.

It is an arithmetic number, because the mean of its divisors is an integer number (1774314990000).

Almost surely, 2^{128613033387852} is an apocalyptic number.

128613033387852 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 128613033387852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170334239040000).

128613033387852 is an abundant number, since it is smaller than the sum of its proper divisors (212055444692148).

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

128613033387852 is a wasteful number, since it uses less digits than its factorization.

128613033387852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958560 (or 958558 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 128613033387852 in words is "one hundred twenty-eight trillion, six hundred thirteen billion, thirty-three million, three hundred eighty-seven thousand, eight hundred fifty-two".