30120112003 has 6 divisors (see below), whose sum is σ = 30836871564. Its totient is φ = 29419642476.

The previous prime is 30120111907. The next prime is 30120112021. The reversal of 30120112003 is 30021102103.

It is not a de Polignac number, because 30120112003 - 2³³ = 21530177411 is a prime.

It is a super-2 number, since 2×30120112003² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30120112063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8143125 + ... + 8146822.

It is an arithmetic number, because the mean of its divisors is an integer number (5139478594).

Almost surely, 2^30120112003 is an apocalyptic number.

30120112003 is a deficient number, since it is larger than the sum of its proper divisors (716759561).

30120112003 is an equidigital number, since it uses as much as digits as its factorization.

30120112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290033 (or 16289990 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30120112003 its reverse (30021102103), we get a palindrome (60141214106).

The spelling of 30120112003 in words is "thirty billion, one hundred twenty million, one hundred twelve thousand, three".