30120213032 has 32 divisors (see below), whose sum is σ = 69508185600. Its totient is φ = 11915688384.

The previous prime is 30120213023. The next prime is 30120213037. The reversal of 30120213032 is 23031202103.

It is a self number, because there is not a number n which added to its sum of digits gives 30120213032.

It is not an unprimeable number, because it can be changed into a prime (30120213037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20686232 + ... + 20687687.

It is an arithmetic number, because the mean of its divisors is an integer number (2172130800).

Almost surely, 2^30120213032 is an apocalyptic number.

It is an amenable number.

30120213032 is an abundant number, since it is smaller than the sum of its proper divisors (39387972568).

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

30120213032 is a wasteful number, since it uses less digits than its factorization.

30120213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41373945 (or 41373941 counting only the distinct ones).

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

Adding to 30120213032 its reverse (23031202103), we get a palindrome (53151415135).

The spelling of 30120213032 in words is "thirty billion, one hundred twenty million, two hundred thirteen thousand, thirty-two".