30021033012 has 24 divisors (see below), whose sum is σ = 71236351200. Its totient is φ = 9837400416.

The previous prime is 30021032981. The next prime is 30021033017. The reversal of 30021033012 is 21033012003.

It is a junction number, because it is equal to n+sod(n) for n = 30021032982 and 30021033000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021033017) 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, 21200587 + ... + 21202002.

It is an arithmetic number, because the mean of its divisors is an integer number (2968181300).

Almost surely, 2^30021033012 is an apocalyptic number.

It is an amenable number.

30021033012 is an abundant number, since it is smaller than the sum of its proper divisors (41215318188).

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

30021033012 is a wasteful number, since it uses less digits than its factorization.

30021033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42402655 (or 42402653 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30021033012 its reverse (21033012003), we get a palindrome (51054045015).

The spelling of 30021033012 in words is "thirty billion, twenty-one million, thirty-three thousand, twelve".