1323002022012 has 576 divisors, whose sum is σ = 3994739933184. Its totient is φ = 365142919680.

The previous prime is 1323002022007. The next prime is 1323002022019. The reversal of 1323002022012 is 2102202003231.

1323002022012 is a `hidden beast` number, since 132 + 300 + 2 + 0 + 220 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323002022019) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3332498598 + ... + 3332498994.

It is an arithmetic number, because the mean of its divisors is an integer number (6935312384).

Almost surely, 2^{1323002022012} is an apocalyptic number.

1323002022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323002022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997369966592).

1323002022012 is an abundant number, since it is smaller than the sum of its proper divisors (2671737911172).

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

1323002022012 is a wasteful number, since it uses less digits than its factorization.

1323002022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 673 counting only the distinct ones).

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

Adding to 1323002022012 its reverse (2102202003231), we get a palindrome (3425204025243).

The spelling of 1323002022012 in words is "one trillion, three hundred twenty-three billion, two million, twenty-two thousand, twelve".