30187128200 has 48 divisors (see below), whose sum is σ = 70261872000. Its totient is φ = 12061638720.

The previous prime is 30187128121. The next prime is 30187128211. The reversal of 30187128200 is 282178103.

It is a super-2 number, since 2×30187128200² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101681 + ... + 265919.

It is an arithmetic number, because the mean of its divisors is an integer number (1463789000).

Almost surely, 2^30187128200 is an apocalyptic number.

It is an amenable number.

30187128200 is an abundant number, since it is smaller than the sum of its proper divisors (40074743800).

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

30187128200 is a wasteful number, since it uses less digits than its factorization.

30187128200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165174 (or 165165 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 30187128200 in words is "thirty billion, one hundred eighty-seven million, one hundred twenty-eight thousand, two hundred".