30120132330 has 48 divisors (see below), whose sum is σ = 82918956744. Its totient is φ = 7559562240.

The previous prime is 30120132319. The next prime is 30120132331. The reversal of 30120132330 is 3323102103.

30120132330 is a `hidden beast` number, since 301 + 2 + 0 + 1 + 32 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18629793081 + 11490339249 = 136491^2 + 107193^2 .

It is a super-2 number, since 2×30120132330² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30120132331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9841651 + ... + 9844710.

Almost surely, 2^30120132330 is an apocalyptic number.

30120132330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120132330 is an abundant number, since it is smaller than the sum of its proper divisors (52798824414).

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

30120132330 is a wasteful number, since it uses less digits than its factorization.

30120132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19686391 (or 19686388 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30120132330 its reverse (3323102103), we get a palindrome (33443234433).

The spelling of 30120132330 in words is "thirty billion, one hundred twenty million, one hundred thirty-two thousand, three hundred thirty".