12021321302 has 8 divisors (see below), whose sum is σ = 18301116216. Its totient is φ = 5920949232.

The previous prime is 12021321287. The next prime is 12021321307. The reversal of 12021321302 is 20312312021.

12021321302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021321307) 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, 44855543 + ... + 44855810.

It is an arithmetic number, because the mean of its divisors is an integer number (2287639527).

Almost surely, 2^12021321302 is an apocalyptic number.

12021321302 is a deficient number, since it is larger than the sum of its proper divisors (6279794914).

12021321302 is an equidigital number, since it uses as much as digits as its factorization.

12021321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89711422.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12021321302 its reverse (20312312021), we get a palindrome (32333633323).

The spelling of 12021321302 in words is "twelve billion, twenty-one million, three hundred twenty-one thousand, three hundred two".