1323012320212 has 24 divisors (see below), whose sum is σ = 2525780436480. Its totient is φ = 601362178560.

The previous prime is 1323012320177. The next prime is 1323012320263. The reversal of 1323012320212 is 2120232103231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6222964 + ... + 6432052.

It is an arithmetic number, because the mean of its divisors is an integer number (105240851520).

Almost surely, 2^{1323012320212} is an apocalyptic number.

It is an amenable number.

1323012320212 is a deficient number, since it is larger than the sum of its proper divisors (1202768116268).

1323012320212 is a wasteful number, since it uses less digits than its factorization.

1323012320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352911 (or 352909 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1323012320212 its reverse (2120232103231), we get a palindrome (3443244423443).

The spelling of 1323012320212 in words is "one trillion, three hundred twenty-three billion, twelve million, three hundred twenty thousand, two hundred twelve".