12032203231 has 4 divisors (see below), whose sum is σ = 12035177464. Its totient is φ = 12029229000.

The previous prime is 12032203229. The next prime is 12032203277. The reversal of 12032203231 is 13230223021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12032203231 - 2¹ = 12032203229 is a prime.

It is a super-2 number, since 2×12032203231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032203199 and 12032203208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032203331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481040 + ... + 1489141.

It is an arithmetic number, because the mean of its divisors is an integer number (3008794366).

Almost surely, 2^12032203231 is an apocalyptic number.

12032203231 is a deficient number, since it is larger than the sum of its proper divisors (2974233).

12032203231 is an equidigital number, since it uses as much as digits as its factorization.

12032203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974232.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12032203231 its reverse (13230223021), we get a palindrome (25262426252).

The spelling of 12032203231 in words is "twelve billion, thirty-two million, two hundred three thousand, two hundred thirty-one".