12032312213 has 4 divisors (see below), whose sum is σ = 12032666028. Its totient is φ = 12031958400.

The previous prime is 12032312179. The next prime is 12032312233. The reversal of 12032312213 is 31221323021.

12032312213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8714782609 + 3317529604 = 93353^2 + 57598^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032312213 - 2¹⁴ = 12032295829 is a prime.

It is a super-2 number, since 2×12032312213² (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 (12032312233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119738 + ... + 195963.

It is an arithmetic number, because the mean of its divisors is an integer number (3008166507).

Almost surely, 2^12032312213 is an apocalyptic number.

It is an amenable number.

12032312213 is a deficient number, since it is larger than the sum of its proper divisors (353815).

12032312213 is an equidigital number, since it uses as much as digits as its factorization.

12032312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353814.

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

Adding to 12032312213 its reverse (31221323021), we get a palindrome (43253635234).

The spelling of 12032312213 in words is "twelve billion, thirty-two million, three hundred twelve thousand, two hundred thirteen".