30120121124 has 24 divisors (see below), whose sum is σ = 53400399360. Its totient is φ = 14863028544.

The previous prime is 30120121117. The next prime is 30120121133. The reversal of 30120121124 is 42112102103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762197 + ... + 800739.

It is an arithmetic number, because the mean of its divisors is an integer number (2225016640).

Almost surely, 2^30120121124 is an apocalyptic number.

It is an amenable number.

30120121124 is a deficient number, since it is larger than the sum of its proper divisors (23280278236).

30120121124 is a wasteful number, since it uses less digits than its factorization.

30120121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41099 (or 41097 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 30120121124 its reverse (42112102103), we get a palindrome (72232223227).

The spelling of 30120121124 in words is "thirty billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-four".