30128650737200 has 120 divisors (see below), whose sum is σ = 75536555827200. Its totient is φ = 11526669031680.

The previous prime is 30128650737193. The next prime is 30128650737247. The reversal of 30128650737200 is 273705682103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139170641 + ... + 139386959.

It is an arithmetic number, because the mean of its divisors is an integer number (629471298560).

Almost surely, 2^{30128650737200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30128650737200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37768277913600).

30128650737200 is an abundant number, since it is smaller than the sum of its proper divisors (45407905090000).

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

30128650737200 is a wasteful number, since it uses less digits than its factorization.

30128650737200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231499 (or 231488 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 30128650737200 in words is "thirty trillion, one hundred twenty-eight billion, six hundred fifty million, seven hundred thirty-seven thousand, two hundred".