12323221002 has 24 divisors (see below), whose sum is σ = 26703180036. Its totient is φ = 4107299136.

The previous prime is 12323220983. The next prime is 12323221013. The reversal of 12323221002 is 20012232321.

12323221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10629816201 + 1693404801 = 103101^2 + 41151^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 165568 + ... + 228164.

Almost surely, 2^12323221002 is an apocalyptic number.

12323221002 is an abundant number, since it is smaller than the sum of its proper divisors (14379959034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323221002 is a wasteful number, since it uses less digits than its factorization.

12323221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73542 (or 73539 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12323221002 its reverse (20012232321), we get a palindrome (32335453323).

The spelling of 12323221002 in words is "twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, two".