30001225124 has 24 divisors (see below), whose sum is σ = 56605034808. Its totient is φ = 13830981120.

The previous prime is 30001225063. The next prime is 30001225127. The reversal of 30001225124 is 42152210003.

It can be written as a sum of positive squares in 4 ways, for example, as 216678400 + 29784546724 = 14720^2 + 172582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30001225096 and 30001225105.

It is not an unprimeable number, because it can be changed into a prime (30001225127) 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, 281627 + ... + 373250.

It is an arithmetic number, because the mean of its divisors is an integer number (2358543117).

Almost surely, 2^30001225124 is an apocalyptic number.

It is an amenable number.

30001225124 is a deficient number, since it is larger than the sum of its proper divisors (26603809684).

30001225124 is a wasteful number, since it uses less digits than its factorization.

30001225124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655775 (or 655773 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 30001225124 its reverse (42152210003), we get a palindrome (72153435127).

The spelling of 30001225124 in words is "thirty billion, one million, two hundred twenty-five thousand, one hundred twenty-four".