30122120044 has 12 divisors (see below), whose sum is σ = 52720437168. Its totient is φ = 15059138000.

The previous prime is 30122120033. The next prime is 30122120051. The reversal of 30122120044 is 44002122103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444952 + ... + 508159.

It is an arithmetic number, because the mean of its divisors is an integer number (4393369764).

Almost surely, 2^30122120044 is an apocalyptic number.

It is an amenable number.

30122120044 is a deficient number, since it is larger than the sum of its proper divisors (22598317124).

30122120044 is a wasteful number, since it uses less digits than its factorization.

30122120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961016 (or 961014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 30122120044 its reverse (44002122103), we get a palindrome (74124242147).

The spelling of 30122120044 in words is "thirty billion, one hundred twenty-two million, one hundred twenty thousand, forty-four".