30124024021 has 32 divisors (see below), whose sum is σ = 40610384640. Its totient is φ = 21658807296.

The previous prime is 30124024001. The next prime is 30124024093. The reversal of 30124024021 is 12042042103.

It is not a de Polignac number, because 30124024021 - 2⁵ = 30124023989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30124024021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30124024001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290871 + ... + 380596.

It is an arithmetic number, because the mean of its divisors is an integer number (1269074520).

Almost surely, 2^30124024021 is an apocalyptic number.

It is an amenable number.

30124024021 is a deficient number, since it is larger than the sum of its proper divisors (10486360619).

30124024021 is a wasteful number, since it uses less digits than its factorization.

30124024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671533.

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

Adding to 30124024021 its reverse (12042042103), we get a palindrome (42166066124).

The spelling of 30124024021 in words is "thirty billion, one hundred twenty-four million, twenty-four thousand, twenty-one".