30112122321 has 12 divisors (see below), whose sum is σ = 46053834372. Its totient is φ = 18893880576.

The previous prime is 30112122319. The next prime is 30112122373. The reversal of 30112122321 is 12322121103.

30112122321 is a `hidden beast` number, since 301 + 1 + 21 + 22 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13124910096 + 16987212225 = 114564^2 + 130335^2 .

It is not a de Polignac number, because 30112122321 - 2¹ = 30112122319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30112122294 and 30112122303.

It is not an unprimeable number, because it can be changed into a prime (30112122311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98405476 + ... + 98405781.

It is an arithmetic number, because the mean of its divisors is an integer number (3837819531).

Almost surely, 2^30112122321 is an apocalyptic number.

It is an amenable number.

30112122321 is a deficient number, since it is larger than the sum of its proper divisors (15941712051).

30112122321 is a wasteful number, since it uses less digits than its factorization.

30112122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196811280 (or 196811277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30112122321 its reverse (12322121103), we get a palindrome (42434243424).

The spelling of 30112122321 in words is "thirty billion, one hundred twelve million, one hundred twenty-two thousand, three hundred twenty-one".