12323001220002 has 96 divisors (see below), whose sum is σ = 30848879730240. Its totient is φ = 3513621058560.

The previous prime is 12323001219953. The next prime is 12323001220009. The reversal of 12323001220002 is 20002210032321.

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

It is not an unprimeable number, because it can be changed into a prime (12323001220009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11864949 + ... + 12861687.

It is an arithmetic number, because the mean of its divisors is an integer number (321342497190).

Almost surely, 2^{12323001220002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323001220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15424439865120).

12323001220002 is an abundant number, since it is smaller than the sum of its proper divisors (18525878510238).

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

12323001220002 is a wasteful number, since it uses less digits than its factorization.

12323001220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000448 (or 1000445 counting only the distinct ones).

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

Adding to 12323001220002 its reverse (20002210032321), we get a palindrome (32325211252323).

The spelling of 12323001220002 in words is "twelve trillion, three hundred twenty-three billion, one million, two hundred twenty thousand, two".