12205112 has 8 divisors (see below), whose sum is σ = 22884600. Its totient is φ = 6102552.

The previous prime is 12205097. The next prime is 12205117. The reversal of 12205112 is 21150221.

12205112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762812 + ... + 762827.

It is an arithmetic number, because the mean of its divisors is an integer number (2860575).

Almost surely, 2^12205112 is an apocalyptic number.

It is an amenable number.

12205112 is a deficient number, since it is larger than the sum of its proper divisors (10679488).

12205112 is a wasteful number, since it uses less digits than its factorization.

12205112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525645 (or 1525641 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12205112 is about 3493.5815433449. The cubic root of 12205112 is about 230.2399009137.

Adding to 12205112 its reverse (21150221), we get a palindrome (33355333).

The spelling of 12205112 in words is "twelve million, two hundred five thousand, one hundred twelve".