30112311230120 has 256 divisors, whose sum is σ = 79312331520000. Its totient is φ = 10285027909632.

The previous prime is 30112311230087. The next prime is 30112311230171. The reversal of 30112311230120 is 2103211321103.

It is a happy number.

It is a super-2 number, since 2×30112311230120² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30112311230092 and 30112311230101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5684783312 + ... + 5684788608.

It is an arithmetic number, because the mean of its divisors is an integer number (309813795000).

Almost surely, 2^{30112311230120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30112311230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39656165760000).

30112311230120 is an abundant number, since it is smaller than the sum of its proper divisors (49200020289880).

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

30112311230120 is a wasteful number, since it uses less digits than its factorization.

30112311230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6807 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30112311230120 its reverse (2103211321103), we get a palindrome (32215522551223).

The spelling of 30112311230120 in words is "thirty trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty thousand, one hundred twenty".