1103323220012 has 24 divisors (see below), whose sum is σ = 2082635285472. Its totient is φ = 508419072000.

The previous prime is 1103323219997. The next prime is 1103323220029. The reversal of 1103323220012 is 2100223233011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16779989 + ... + 16845612.

It is an arithmetic number, because the mean of its divisors is an integer number (86776470228).

Almost surely, 2^{1103323220012} is an apocalyptic number.

It is an amenable number.

1103323220012 is a deficient number, since it is larger than the sum of its proper divisors (979312065460).

1103323220012 is a wasteful number, since it uses less digits than its factorization.

1103323220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33626249 (or 33626247 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1103323220012 its reverse (2100223233011), we get a palindrome (3203546453023).

The spelling of 1103323220012 in words is "one trillion, one hundred three billion, three hundred twenty-three million, two hundred twenty thousand, twelve".