1223333111012 has 24 divisors (see below), whose sum is σ = 2266978855680. Its totient is φ = 575631678080.

The previous prime is 1223333110997. The next prime is 1223333111017. The reversal of 1223333111012 is 2101113333221.

It is not an unprimeable number, because it can be changed into a prime (1223333111017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123212 + ... + 1569027.

It is an arithmetic number, because the mean of its divisors is an integer number (94457452320).

Almost surely, 2^{1223333111012} is an apocalyptic number.

It is an amenable number.

1223333111012 is a deficient number, since it is larger than the sum of its proper divisors (1043645744668).

1223333111012 is a wasteful number, since it uses less digits than its factorization.

1223333111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702891 (or 1702889 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1223333111012 its reverse (2101113333221), we get a palindrome (3324446444233).

The spelling of 1223333111012 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, one hundred eleven thousand, twelve".