12320220002 has 8 divisors (see below), whose sum is σ = 18501896556. Its totient is φ = 6152921152.

The previous prime is 12320219999. The next prime is 12320220007. The reversal of 12320220002 is 20002202321.

It can be written as a sum of positive squares in 2 ways, for example, as 12298588201 + 21631801 = 110899^2 + 4651^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12320220007) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3592283 + ... + 3595710.

Almost surely, 2^12320220002 is an apocalyptic number.

12320220002 is a deficient number, since it is larger than the sum of its proper divisors (6181676554).

12320220002 is an equidigital number, since it uses as much as digits as its factorization.

12320220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188852.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 12320220002 its reverse (20002202321), we get a palindrome (32322422323).

The spelling of 12320220002 in words is "twelve billion, three hundred twenty million, two hundred twenty thousand, two".