12206112 has 48 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 3990272.

The previous prime is 12206101. The next prime is 12206143. The reversal of 12206112 is 21160221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12206091 and 12206100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^12206112 is an apocalyptic number.

12206112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12206112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

12206112 is an abundant number, since it is smaller than the sum of its proper divisors (20453088).

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

12206112 is a wasteful number, since it uses less digits than its factorization.

12206112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12206112 is about 3493.7246600154. The cubic root of 12206112 is about 230.2461888148.

Adding to 12206112 its reverse (21160221), we get a palindrome (33366333).

The spelling of 12206112 in words is "twelve million, two hundred six thousand, one hundred twelve".