12201332 has 48 divisors (see below), whose sum is σ = 25486272. Its totient is φ = 5038080.

The previous prime is 12201331. The next prime is 12201337. The reversal of 12201332 is 23310221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47348 + ... + 47604.

It is an arithmetic number, because the mean of its divisors is an integer number (530964).

Almost surely, 2^12201332 is an apocalyptic number.

It is an amenable number.

12201332 is an abundant number, since it is smaller than the sum of its proper divisors (13284940).

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

12201332 is a wasteful number, since it uses less digits than its factorization.

12201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12201332 is about 3493.0405093557. The cubic root of 12201332 is about 230.2161295440.

Adding to 12201332 its reverse (23310221), we get a palindrome (35511553).

Subtracting 12201332 from its reverse (23310221), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1220 and 1332, that added together give a palindrome (2552).

The spelling of 12201332 in words is "twelve million, two hundred one thousand, three hundred thirty-two".