30133012 has 48 divisors (see below), whose sum is σ = 68333440. Its totient is φ = 11290752.

The previous prime is 30133003. The next prime is 30133021. The reversal of 30133012 is 21033103.

It is an interprime number because it is at equal distance from previous prime (30133003) and next prime (30133021).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 30132983 and 30133001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4738 + ... + 9094.

Almost surely, 2^30133012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30133012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34166720).

30133012 is an abundant number, since it is smaller than the sum of its proper divisors (38200428).

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

30133012 is a wasteful number, since it uses less digits than its factorization.

30133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30133012 is about 5489.3544247024. The cubic root of 30133012 is about 311.1817949184.

Adding to 30133012 its reverse (21033103), we get a palindrome (51166115).

Subtracting from 30133012 its reverse (21033103), we obtain a palindrome (9099909).

The spelling of 30133012 in words is "thirty million, one hundred thirty-three thousand, twelve".