30121034042 has 16 divisors (see below), whose sum is σ = 49293042912. Its totient is φ = 13690246320.

The previous prime is 30121034011. The next prime is 30121034087. The reversal of 30121034042 is 24043012103.

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, 252893 + ... + 352415.

It is an arithmetic number, because the mean of its divisors is an integer number (3080815182).

Almost surely, 2^30121034042 is an apocalyptic number.

30121034042 is a deficient number, since it is larger than the sum of its proper divisors (19172008870).

30121034042 is a wasteful number, since it uses less digits than its factorization.

30121034042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113293.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30121034042 its reverse (24043012103), we get a palindrome (54164046145).

The spelling of 30121034042 in words is "thirty billion, one hundred twenty-one million, thirty-four thousand, forty-two".