30120107140 has 24 divisors (see below), whose sum is σ = 63255487680. Its totient is φ = 12047421408.

The previous prime is 30120107137. The next prime is 30120107179. The reversal of 30120107140 is 4170102103.

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, 724231 + ... + 764689.

It is an arithmetic number, because the mean of its divisors is an integer number (2635645320).

Almost surely, 2^30120107140 is an apocalyptic number.

It is an amenable number.

30120107140 is an abundant number, since it is smaller than the sum of its proper divisors (33135380540).

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

30120107140 is a wasteful number, since it uses less digits than its factorization.

30120107140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77691 (or 77689 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 30120107140 its reverse (4170102103), we get a palindrome (34290209243).

The spelling of 30120107140 in words is "thirty billion, one hundred twenty million, one hundred seven thousand, one hundred forty".