30032312120 has 64 divisors (see below), whose sum is σ = 68173747200. Its totient is φ = 11906519680.

The previous prime is 30032312087. The next prime is 30032312129. The reversal of 30032312120 is 2121323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032312129) 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 15 ways as a sum of consecutive naturals, for example, 2220017 + ... + 2233503.

It is an arithmetic number, because the mean of its divisors is an integer number (1065214800).

Almost surely, 2^30032312120 is an apocalyptic number.

It is an amenable number.

30032312120 is an abundant number, since it is smaller than the sum of its proper divisors (38141435080).

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

30032312120 is a wasteful number, since it uses less digits than its factorization.

30032312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13988 (or 13984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30032312120 its reverse (2121323003), we get a palindrome (32153635123).

The spelling of 30032312120 in words is "thirty billion, thirty-two million, three hundred twelve thousand, one hundred twenty".