30124221042 has 32 divisors (see below), whose sum is σ = 63541264320. Its totient is φ = 9494634240.

The previous prime is 30124221041. The next prime is 30124221097. The reversal of 30124221042 is 24012242103.

It is not an unprimeable number, because it can be changed into a prime (30124221041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194203 + ... + 312990.

It is an arithmetic number, because the mean of its divisors is an integer number (1985664510).

Almost surely, 2^30124221042 is an apocalyptic number.

30124221042 is an abundant number, since it is smaller than the sum of its proper divisors (33417043278).

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

30124221042 is a wasteful number, since it uses less digits than its factorization.

30124221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507738.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30124221042 its reverse (24012242103), we get a palindrome (54136463145).

The spelling of 30124221042 in words is "thirty billion, one hundred twenty-four million, two hundred twenty-one thousand, forty-two".