11203201312 has 48 divisors (see below), whose sum is σ = 22640173920. Its totient is φ = 5455095808.

The previous prime is 11203201309. The next prime is 11203201313. The reversal of 11203201312 is 21310230211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11203201313) 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, 174288 + ... + 229744.

It is an arithmetic number, because the mean of its divisors is an integer number (471670290).

Almost surely, 2^11203201312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11203201312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11320086960).

11203201312 is an abundant number, since it is smaller than the sum of its proper divisors (11436972608).

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

11203201312 is a wasteful number, since it uses less digits than its factorization.

11203201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55633 (or 55625 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11203201312 its reverse (21310230211), we get a palindrome (32513431523).

The spelling of 11203201312 in words is "eleven billion, two hundred three million, two hundred one thousand, three hundred twelve".