30123113120 has 24 divisors (see below), whose sum is σ = 71165855124. Its totient is φ = 12049245184.

The previous prime is 30123113113. The next prime is 30123113143. The reversal of 30123113120 is 2131132103.

It can be written as a sum of positive squares in 2 ways, for example, as 26949818896 + 3173294224 = 164164^2 + 56332^2 .

It is a super-2 number, since 2×30123113120² (a number of 22 digits) contains 22 as substring.

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, 94134569 + ... + 94134888.

Almost surely, 2^30123113120 is an apocalyptic number.

It is an amenable number.

30123113120 is an abundant number, since it is smaller than the sum of its proper divisors (41042742004).

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

30123113120 is a wasteful number, since it uses less digits than its factorization.

30123113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188269472 (or 188269464 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30123113120 its reverse (2131132103), we get a palindrome (32254245223).

The spelling of 30123113120 in words is "thirty billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred twenty".