30218112 has 96 divisors (see below), whose sum is σ = 92130480. Its totient is φ = 9474048.

The previous prime is 30218101. The next prime is 30218137. The reversal of 30218112 is 21181203.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18813 + ... + 20355.

Almost surely, 2^30218112 is an apocalyptic number.

30218112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30218112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46065240).

30218112 is an abundant number, since it is smaller than the sum of its proper divisors (61912368).

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

30218112 is a wasteful number, since it uses less digits than its factorization.

30218112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 30218112 is about 5497.1003265358. The cubic root of 30218112 is about 311.4744604344.

Adding to 30218112 its reverse (21181203), we get a palindrome (51399315).

The spelling of 30218112 in words is "thirty million, two hundred eighteen thousand, one hundred twelve".