30424252121 has 32 divisors (see below), whose sum is σ = 32028099840. Its totient is φ = 28877313024.

The previous prime is 30424252073. The next prime is 30424252127. The reversal of 30424252121 is 12125242403.

It is a cyclic number.

It is not a de Polignac number, because 30424252121 - 2⁶ = 30424252057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30424252127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113101175 + ... + 113101443.

It is an arithmetic number, because the mean of its divisors is an integer number (1000878120).

Almost surely, 2^30424252121 is an apocalyptic number.

It is an amenable number.

30424252121 is a deficient number, since it is larger than the sum of its proper divisors (1603847719).

30424252121 is a wasteful number, since it uses less digits than its factorization.

30424252121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 30424252121 its reverse (12125242403), we get a palindrome (42549494524).

The spelling of 30424252121 in words is "thirty billion, four hundred twenty-four million, two hundred fifty-two thousand, one hundred twenty-one".