1103203013012 has 12 divisors (see below), whose sum is σ = 1930636320480. Its totient is φ = 551592635736.

The previous prime is 1103203012997. The next prime is 1103203013057. The reversal of 1103203013012 is 2103103023011.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1933838 + ... + 2438469.

It is an arithmetic number, because the mean of its divisors is an integer number (160886360040).

Almost surely, 2^{1103203013012} is an apocalyptic number.

It is an amenable number.

1103203013012 is a deficient number, since it is larger than the sum of its proper divisors (827433307468).

1103203013012 is a wasteful number, since it uses less digits than its factorization.

1103203013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435390 (or 4435388 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1103203013012 its reverse (2103103023011), we get a palindrome (3206306036023).

Subtracting 1103203013012 from its reverse (2103103023011), we obtain a palindrome (999900009999).

The spelling of 1103203013012 in words is "one trillion, one hundred three billion, two hundred three million, thirteen thousand, twelve".