12032212331 has 4 divisors (see below), whose sum is σ = 12036855192. Its totient is φ = 12027569472.

The previous prime is 12032212271. The next prime is 12032212343. The reversal of 12032212331 is 13321223021.

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 12032212331 - 2¹⁰ = 12032211307 is a prime.

It is a super-2 number, since 2×12032212331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12032212831) 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, 2317541 + ... + 2322726.

It is an arithmetic number, because the mean of its divisors is an integer number (3009213798).

Almost surely, 2^12032212331 is an apocalyptic number.

12032212331 is a deficient number, since it is larger than the sum of its proper divisors (4642861).

12032212331 is an equidigital number, since it uses as much as digits as its factorization.

12032212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642860.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12032212331 its reverse (13321223021), we get a palindrome (25353435352).

The spelling of 12032212331 in words is "twelve billion, thirty-two million, two hundred twelve thousand, three hundred thirty-one".