12211132 has 6 divisors (see below), whose sum is σ = 21369488. Its totient is φ = 6105564.

The previous prime is 12211127. The next prime is 12211139. The reversal of 12211132 is 23111221.

It is a super-2 number, since 2×12211132² = 298223489442848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526388 + ... + 1526395.

Almost surely, 2^12211132 is an apocalyptic number.

It is an amenable number.

12211132 is a deficient number, since it is larger than the sum of its proper divisors (9158356).

12211132 is a wasteful number, since it uses less digits than its factorization.

12211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052787 (or 3052785 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 12211132 is about 3494.4430171345. The cubic root of 12211132 is about 230.2777488904.

Adding to 12211132 its reverse (23111221), we get a palindrome (35322353).

The spelling of 12211132 in words is "twelve million, two hundred eleven thousand, one hundred thirty-two".