11203201212 has 48 divisors (see below), whose sum is σ = 31632572160. Its totient is φ = 3012625152.

The previous prime is 11203201189. The next prime is 11203201223. The reversal of 11203201212 is 21210230211.

11203201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11203201191 and 11203201200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3921262 + ... + 3924117.

It is an arithmetic number, because the mean of its divisors is an integer number (659011920).

Almost surely, 2^11203201212 is an apocalyptic number.

11203201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11203201212 is an abundant number, since it is smaller than the sum of its proper divisors (20429370948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203201212 is a wasteful number, since it uses less digits than its factorization.

11203201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845410 (or 7845408 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11203201212 its reverse (21210230211), we get a palindrome (32413431423).

The spelling of 11203201212 in words is "eleven billion, two hundred three million, two hundred one thousand, two hundred twelve".