30000120144 has 40 divisors (see below), whose sum is σ = 77557422912. Its totient is φ = 9992670720.

The previous prime is 30000120097. The next prime is 30000120229. The reversal of 30000120144 is 44102100003.

It is a congruent number.

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, 164284 + ... + 294939.

Almost surely, 2^30000120144 is an apocalyptic number.

It is an amenable number.

30000120144 is an abundant number, since it is smaller than the sum of its proper divisors (47557302768).

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

30000120144 is a wasteful number, since it uses less digits than its factorization.

30000120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460595 (or 460589 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30000120144 its reverse (44102100003), we get a palindrome (74102220147).

The spelling of 30000120144 in words is "thirty billion, one hundred twenty thousand, one hundred forty-four".