1111200212112 has 20 divisors (see below), whose sum is σ = 2870600548080. Its totient is φ = 370400070688.

The previous prime is 1111200212021. The next prime is 1111200212113. The reversal of 1111200212112 is 2112120021111.

It is a happy number.

It is a super-2 number, since 2×1111200212112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111200212091 and 1111200212100.

It is not an unprimeable number, because it can be changed into a prime (1111200212113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11575002162 + ... + 11575002257.

It is an arithmetic number, because the mean of its divisors is an integer number (143530027404).

Almost surely, 2^{1111200212112} is an apocalyptic number.

1111200212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111200212112 is an abundant number, since it is smaller than the sum of its proper divisors (1759400335968).

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

1111200212112 is a wasteful number, since it uses less digits than its factorization.

1111200212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23150004430 (or 23150004424 counting only the distinct ones).

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

Adding to 1111200212112 its reverse (2112120021111), we get a palindrome (3223320233223).

The spelling of 1111200212112 in words is "one trillion, one hundred eleven billion, two hundred million, two hundred twelve thousand, one hundred twelve".