30000133212 has 48 divisors (see below), whose sum is σ = 80008965120. Its totient is φ = 8570544192.

The previous prime is 30000133181. The next prime is 30000133301. The reversal of 30000133212 is 21233100003.

It is a junction number, because it is equal to n+sod(n) for n = 30000133191 and 30000133200.

It is a congruent number.

It is an unprimeable number.

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, 1309714 + ... + 1332422.

It is an arithmetic number, because the mean of its divisors is an integer number (1666853440).

Almost surely, 2^30000133212 is an apocalyptic number.

It is an amenable number.

30000133212 is an abundant number, since it is smaller than the sum of its proper divisors (50008831908).

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

30000133212 is a wasteful number, since it uses less digits than its factorization.

30000133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38450 (or 38448 counting only the distinct ones).

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

Adding to 30000133212 its reverse (21233100003), we get a palindrome (51233233215).

The spelling of 30000133212 in words is "thirty billion, one hundred thirty-three thousand, two hundred twelve".