12012313232 has 10 divisors (see below), whose sum is σ = 23273856918. Its totient is φ = 6006156608.

The previous prime is 12012313177. The next prime is 12012313249. The reversal of 12012313232 is 23231321021.

It can be written as a sum of positive squares in only one way, i.e., 11615666176 + 396647056 = 107776^2 + 19916^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 375384773 + ... + 375384804.

Almost surely, 2^12012313232 is an apocalyptic number.

It is an amenable number.

12012313232 is a deficient number, since it is larger than the sum of its proper divisors (11261543686).

12012313232 is an equidigital number, since it uses as much as digits as its factorization.

12012313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750769585 (or 750769579 counting only the distinct ones).

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

Adding to 12012313232 its reverse (23231321021), we get a palindrome (35243634253).

The spelling of 12012313232 in words is "twelve billion, twelve million, three hundred thirteen thousand, two hundred thirty-two".