30123012434120 has 64 divisors (see below), whose sum is σ = 69965473420800. Its totient is φ = 11660129648640.

The previous prime is 30123012434117. The next prime is 30123012434143. The reversal of 30123012434120 is 2143421032103.

It is a super-2 number, since 2×30123012434120² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30123012434120.

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 15 ways as a sum of consecutive naturals, for example, 38019371 + ... + 38803589.

It is an arithmetic number, because the mean of its divisors is an integer number (1093210522200).

Almost surely, 2^{30123012434120} is an apocalyptic number.

It is an amenable number.

30123012434120 is an abundant number, since it is smaller than the sum of its proper divisors (39842460986680).

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

30123012434120 is a wasteful number, since it uses less digits than its factorization.

30123012434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815238 (or 815234 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 30123012434120 its reverse (2143421032103), we get a palindrome (32266433466223).

The spelling of 30123012434120 in words is "thirty trillion, one hundred twenty-three billion, twelve million, four hundred thirty-four thousand, one hundred twenty".