30112122 has 32 divisors (see below), whose sum is σ = 62314560. Its totient is φ = 9694080.

The previous prime is 30112111. The next prime is 30112123. The reversal of 30112122 is 22121103.

It is a junction number, because it is equal to n+sod(n) for n = 30112098 and 30112107.

It is not an unprimeable number, because it can be changed into a prime (30112123) 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, 26253 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (1947330).

Almost surely, 2^30112122 is an apocalyptic number.

30112122 is an abundant number, since it is smaller than the sum of its proper divisors (32202438).

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

30112122 is a wasteful number, since it uses less digits than its factorization.

30112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30112122 is about 5487.4513209686. The cubic root of 30112122 is about 311.1098683718.

Adding to 30112122 its reverse (22121103), we get a palindrome (52233225).

The spelling of 30112122 in words is "thirty million, one hundred twelve thousand, one hundred twenty-two".