12132211 has 8 divisors (see below), whose sum is σ = 14932064. Its totient is φ = 9599040.

The previous prime is 12132151. The next prime is 12132217. The reversal of 12132211 is 11223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12132211 - 2¹⁵ = 12099443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12132191 and 12132200.

It is not an unprimeable number, because it can be changed into a prime (12132217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66570 + ... + 66751.

It is an arithmetic number, because the mean of its divisors is an integer number (1866508).

Almost surely, 2^12132211 is an apocalyptic number.

12132211 is a deficient number, since it is larger than the sum of its proper divisors (2799853).

12132211 is a wasteful number, since it uses less digits than its factorization.

12132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133341.

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

The square root of 12132211 is about 3483.1323546486. The cubic root of 12132211 is about 229.7805783865.

Adding to 12132211 its reverse (11223121), we get a palindrome (23355332).

The spelling of 12132211 in words is "twelve million, one hundred thirty-two thousand, two hundred eleven".