30032112012 has 24 divisors (see below), whose sum is σ = 80085632256. Its totient is φ = 8580603408.

The previous prime is 30032112007. The next prime is 30032112013. The reversal of 30032112012 is 21021123003.

It is a junction number, because it is equal to n+sod(n) for n = 30032111982 and 30032112000.

It is not an unprimeable number, because it can be changed into a prime (30032112013) 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 7 ways as a sum of consecutive naturals, for example, 178762488 + ... + 178762655.

It is an arithmetic number, because the mean of its divisors is an integer number (3336901344).

Almost surely, 2^30032112012 is an apocalyptic number.

It is an amenable number.

30032112012 is an abundant number, since it is smaller than the sum of its proper divisors (50053520244).

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

30032112012 is a wasteful number, since it uses less digits than its factorization.

30032112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357525157 (or 357525155 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30032112012 its reverse (21021123003), we get a palindrome (51053235015).

The spelling of 30032112012 in words is "thirty billion, thirty-two million, one hundred twelve thousand, twelve".