30112004124 has 24 divisors (see below), whose sum is σ = 78068159120. Its totient is φ = 10037334672.

The previous prime is 30112004123. The next prime is 30112004183. The reversal of 30112004124 is 42140021103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30112004097 and 30112004106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112004123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139407319 + ... + 139407534.

Almost surely, 2^30112004124 is an apocalyptic number.

It is an amenable number.

30112004124 is an abundant number, since it is smaller than the sum of its proper divisors (47956154996).

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

30112004124 is a wasteful number, since it uses less digits than its factorization.

30112004124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278814866 (or 278814858 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 30112004124 its reverse (42140021103), we get a palindrome (72252025227).

The spelling of 30112004124 in words is "thirty billion, one hundred twelve million, four thousand, one hundred twenty-four".