30102112 has 12 divisors (see below), whose sum is σ = 59263596. Its totient is φ = 15051040.

The previous prime is 30102091. The next prime is 30102131. The reversal of 30102112 is 21120103.

It is a super-2 number, since 2×30102112² = 1812274293721088, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 470314 + ... + 470377.

It is an arithmetic number, because the mean of its divisors is an integer number (4938633).

Almost surely, 2^30102112 is an apocalyptic number.

30102112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30102112 is a deficient number, since it is larger than the sum of its proper divisors (29161484).

30102112 is an equidigital number, since it uses as much as digits as its factorization.

30102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940701 (or 940693 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30102112 is about 5486.5391641726. The cubic root of 30102112 is about 311.0753910615.

Adding to 30102112 its reverse (21120103), we get a palindrome (51222215).

Subtracting from 30102112 its reverse (21120103), we obtain a square (8982009 = 2997²).

The spelling of 30102112 in words is "thirty million, one hundred two thousand, one hundred twelve".