12212032 has 28 divisors (see below), whose sum is σ = 27696160. Its totient is φ = 5233536.

The previous prime is 12212029. The next prime is 12212051. The reversal of 12212032 is 23021221.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13182 + ... + 14077.

Almost surely, 2^12212032 is an apocalyptic number.

It is an amenable number.

12212032 is an abundant number, since it is smaller than the sum of its proper divisors (15484128).

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

12212032 is an equidigital number, since it uses as much as digits as its factorization.

12212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27278 (or 27268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12212032 is about 3494.5717906490. The cubic root of 12212032 is about 230.2834061569.

Adding to 12212032 its reverse (23021221), we get a palindrome (35233253).

The spelling of 12212032 in words is "twelve million, two hundred twelve thousand, thirty-two".