30112450421 has 4 divisors (see below), whose sum is σ = 31883771052. Its totient is φ = 28341129792.

The previous prime is 30112450343. The next prime is 30112450427. The reversal of 30112450421 is 12405421103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13914797521 + 16197652900 = 117961^2 + 127270^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112450421 - 2¹⁰ = 30112449397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112450427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885660290 + ... + 885660323.

It is an arithmetic number, because the mean of its divisors is an integer number (7970942763).

Almost surely, 2^30112450421 is an apocalyptic number.

It is an amenable number.

30112450421 is a deficient number, since it is larger than the sum of its proper divisors (1771320631).

30112450421 is a wasteful number, since it uses less digits than its factorization.

30112450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771320630.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 30112450421 its reverse (12405421103), we get a palindrome (42517871524).

The spelling of 30112450421 in words is "thirty billion, one hundred twelve million, four hundred fifty thousand, four hundred twenty-one".