11003203012 has 48 divisors (see below), whose sum is σ = 21866423040. Its totient is φ = 4812867072.

The previous prime is 11003203007. The next prime is 11003203027. The reversal of 11003203012 is 21030230011.

It is a junction number, because it is equal to n+sod(n) for n = 11003202983 and 11003203001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11868 + ... + 148819.

It is an arithmetic number, because the mean of its divisors is an integer number (455550480).

Almost surely, 2^11003203012 is an apocalyptic number.

It is an amenable number.

11003203012 is a deficient number, since it is larger than the sum of its proper divisors (10863220028).

11003203012 is a wasteful number, since it uses less digits than its factorization.

11003203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160780 (or 160778 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11003203012 its reverse (21030230011), we get a palindrome (32033433023).

The spelling of 11003203012 in words is "eleven billion, three million, two hundred three thousand, twelve".