12020331321332 has 6 divisors (see below), whose sum is σ = 21035579812338. Its totient is φ = 6010165660664.

The previous prime is 12020331321331. The next prime is 12020331321373. The reversal of 12020331321332 is 23312313302021.

It can be written as a sum of positive squares in only one way, i.e., 7864906149136 + 4155425172196 = 2804444^2 + 2038486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020331321331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502541415163 + ... + 1502541415170.

It is an arithmetic number, because the mean of its divisors is an integer number (3505929968723).

Almost surely, 2^{12020331321332} is an apocalyptic number.

It is an amenable number.

12020331321332 is a deficient number, since it is larger than the sum of its proper divisors (9015248491006).

12020331321332 is a wasteful number, since it uses less digits than its factorization.

12020331321332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005082830337 (or 3005082830335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12020331321332 its reverse (23312313302021), we get a palindrome (35332644623353).

The spelling of 12020331321332 in words is "twelve trillion, twenty billion, three hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty-two".