1223313233312 has 12 divisors (see below), whose sum is σ = 2408397928146. Its totient is φ = 611656616640.

The previous prime is 1223313233281. The next prime is 1223313233369. The reversal of 1223313233312 is 2133323133221.

It can be written as a sum of positive squares in only one way, i.e., 1132087488016 + 91225745296 = 1063996^2 + 302036^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114269239 + ... + 19114269302.

Almost surely, 2^{1223313233312} is an apocalyptic number.

It is an amenable number.

1223313233312 is a deficient number, since it is larger than the sum of its proper divisors (1185084694834).

1223313233312 is an equidigital number, since it uses as much as digits as its factorization.

1223313233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38228538551 (or 38228538543 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

Adding to 1223313233312 its reverse (2133323133221), we get a palindrome (3356636366533).

The spelling of 1223313233312 in words is "one trillion, two hundred twenty-three billion, three hundred thirteen million, two hundred thirty-three thousand, three hundred twelve".