12232011 has 24 divisors (see below), whose sum is σ = 18522112. Its totient is φ = 7167600.

The previous prime is 12232001. The next prime is 12232013. The reversal of 12232011 is 11023221.

It is not a de Polignac number, because 12232011 - 2¹⁷ = 12100939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232013) 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 23 ways as a sum of consecutive naturals, for example, 10710 + ... + 11796.

Almost surely, 2^12232011 is an apocalyptic number.

12232011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12232011 is a deficient number, since it is larger than the sum of its proper divisors (6290101).

12232011 is a wasteful number, since it uses less digits than its factorization.

12232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12232011 is about 3497.4291987115. The cubic root of 12232011 is about 230.4089196790.

Adding to 12232011 its reverse (11023221), we get a palindrome (23255232).

The spelling of 12232011 in words is "twelve million, two hundred thirty-two thousand, eleven".