30120112232320 has 128 divisors (see below), whose sum is σ = 80674908184800. Its totient is φ = 10656747233280.

The previous prime is 30120112232261. The next prime is 30120112232377. The reversal of 30120112232320 is 2323221102103.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30120112232291 and 30120112232300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57556075 + ... + 58077034.

Almost surely, 2^{30120112232320} is an apocalyptic number.

It is an amenable number.

30120112232320 is an abundant number, since it is smaller than the sum of its proper divisors (50554795952480).

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

30120112232320 is a wasteful number, since it uses less digits than its factorization.

30120112232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115633176 (or 115633164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30120112232320 its reverse (2323221102103), we get a palindrome (32443333334423).

It can be divided in two parts, 301201 and 12232320, that added together give a palindrome (12533521).

The spelling of 30120112232320 in words is "thirty trillion, one hundred twenty billion, one hundred twelve million, two hundred thirty-two thousand, three hundred twenty".