11112122303312 has 40 divisors (see below), whose sum is σ = 22962587717736. Its totient is φ = 5191064416256.

The previous prime is 11112122303287. The next prime is 11112122303333. The reversal of 11112122303312 is 21330322121111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6998056507456 + 4114065795856 = 2645384^2 + 2028316^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 149062703 + ... + 149137230.

Almost surely, 2^{11112122303312} is an apocalyptic number.

It is an amenable number.

11112122303312 is an abundant number, since it is smaller than the sum of its proper divisors (11850465414424).

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

11112122303312 is a wasteful number, since it uses less digits than its factorization.

11112122303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298200095 (or 298200089 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11112122303312 its reverse (21330322121111), we get a palindrome (32442444424423).

The spelling of 11112122303312 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, three hundred three thousand, three hundred twelve".