1323212230320 has 80 divisors (see below), whose sum is σ = 4133270668032. Its totient is φ = 350163024640.

The previous prime is 1323212230313. The next prime is 1323212230331. The reversal of 1323212230320 is 230322123231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 21012012 + ... + 21074891.

Almost surely, 2^{1323212230320} is an apocalyptic number.

1323212230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323212230320 is an abundant number, since it is smaller than the sum of its proper divisors (2810058437712).

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

1323212230320 is a wasteful number, since it uses less digits than its factorization.

1323212230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42087050 (or 42087044 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1323212230320 its reverse (230322123231), we get a palindrome (1553534353551).

The spelling of 1323212230320 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, two hundred thirty thousand, three hundred twenty".