30305445120112 has 20 divisors (see below), whose sum is σ = 59236417622160. Its totient is φ = 15018627669248.

The previous prime is 30305445120053. The next prime is 30305445120149. The reversal of 30305445120112 is 21102154450303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380928812 + ... + 8380932427.

It is an arithmetic number, because the mean of its divisors is an integer number (2961820881108).

Almost surely, 2^{30305445120112} is an apocalyptic number.

It is an amenable number.

30305445120112 is a deficient number, since it is larger than the sum of its proper divisors (28930972502048).

30305445120112 is a wasteful number, since it uses less digits than its factorization.

30305445120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16761861360 (or 16761861354 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 30305445120112 its reverse (21102154450303), we get a palindrome (51407599570415).

The spelling of 30305445120112 in words is "thirty trillion, three hundred five billion, four hundred forty-five million, one hundred twenty thousand, one hundred twelve".