11223453453312 has 176 divisors, whose sum is σ = 30540322944000. Its totient is φ = 3663181037568.

The previous prime is 11223453453307. The next prime is 11223453453319. The reversal of 11223453453312 is 21335435432211.

It is a happy number.

It is a super-2 number, since 2×11223453453312² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11223453453319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81176113 + ... + 81314255.

Almost surely, 2^{11223453453312} is an apocalyptic number.

11223453453312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11223453453312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15270161472000).

11223453453312 is an abundant number, since it is smaller than the sum of its proper divisors (19316869490688).

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

11223453453312 is a wasteful number, since it uses less digits than its factorization.

11223453453312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138718 (or 138700 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

Adding to 11223453453312 its reverse (21335435432211), we get a palindrome (32558888885523).

The spelling of 11223453453312 in words is "eleven trillion, two hundred twenty-three billion, four hundred fifty-three million, four hundred fifty-three thousand, three hundred twelve".