12032233231 has 4 divisors (see below), whose sum is σ = 12118796200. Its totient is φ = 11945670264.

The previous prime is 12032233219. The next prime is 12032233247. The reversal of 12032233231 is 13233223021.

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 12032233231 - 2¹³ = 12032225039 is a prime.

It is a super-2 number, since 2×12032233231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032233331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43281276 + ... + 43281553.

It is an arithmetic number, because the mean of its divisors is an integer number (3029699050).

Almost surely, 2^12032233231 is an apocalyptic number.

12032233231 is a deficient number, since it is larger than the sum of its proper divisors (86562969).

12032233231 is an equidigital number, since it uses as much as digits as its factorization.

12032233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86562968.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12032233231 its reverse (13233223021), we get a palindrome (25265456252).

The spelling of 12032233231 in words is "twelve billion, thirty-two million, two hundred thirty-three thousand, two hundred thirty-one".