11001112212012 has 96 divisors (see below), whose sum is σ = 28298979878400. Its totient is φ = 3304802350080.

The previous prime is 11001112212011. The next prime is 11001112212017. The reversal of 11001112212012 is 21021221110011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001112211982 and 11001112212000.

It is not an unprimeable number, because it can be changed into a prime (11001112212011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15147364 + ... + 15857012.

It is an arithmetic number, because the mean of its divisors is an integer number (294781040400).

Almost surely, 2^{11001112212012} is an apocalyptic number.

11001112212012 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 11001112212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14149489939200).

11001112212012 is an abundant number, since it is smaller than the sum of its proper divisors (17297867666388).

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

11001112212012 is a wasteful number, since it uses less digits than its factorization.

11001112212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712023 (or 712021 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001112212012 its reverse (21021221110011), we get a palindrome (32022333322023).

The spelling of 11001112212012 in words is "eleven trillion, one billion, one hundred twelve million, two hundred twelve thousand, twelve".