1323223211012 has 12 divisors (see below), whose sum is σ = 2318182492416. Its totient is φ = 660885356040.

The previous prime is 1323223210997. The next prime is 1323223211017. The reversal of 1323223211012 is 2101123223231.

It is not an unprimeable number, because it can be changed into a prime (1323223211017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181558268 + ... + 181565555.

It is an arithmetic number, because the mean of its divisors is an integer number (193181874368).

Almost surely, 2^{1323223211012} is an apocalyptic number.

It is an amenable number.

1323223211012 is a deficient number, since it is larger than the sum of its proper divisors (994959281404).

1323223211012 is a wasteful number, since it uses less digits than its factorization.

1323223211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363124738 (or 363124736 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1323223211012 its reverse (2101123223231), we get a palindrome (3424346434243).

The spelling of 1323223211012 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred eleven thousand, twelve".