11223312101312 has 56 divisors (see below), whose sum is σ = 22749068795904. Its totient is φ = 5491304767232.

The previous prime is 11223312101249. The next prime is 11223312101357. The reversal of 11223312101312 is 21310121332211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17146193 + ... + 17788719.

Almost surely, 2^{11223312101312} 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 11223312101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374534397952).

11223312101312 is an abundant number, since it is smaller than the sum of its proper divisors (11525756694592).

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

11223312101312 is an equidigital number, since it uses as much as digits as its factorization.

11223312101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648393 (or 648383 counting only the distinct ones).

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

Adding to 11223312101312 its reverse (21310121332211), we get a palindrome (32533433433523).

The spelling of 11223312101312 in words is "eleven trillion, two hundred twenty-three billion, three hundred twelve million, one hundred one thousand, three hundred twelve".