1111200120212 has 96 divisors (see below), whose sum is σ = 2439215057664. Its totient is φ = 431177011200.

The previous prime is 1111200120179. The next prime is 1111200120227. The reversal of 1111200120212 is 2120210021111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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, 95123012 + ... + 95134692.

It is an arithmetic number, because the mean of its divisors is an integer number (25408490184).

Almost surely, 2^{1111200120212} 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 1111200120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219607528832).

1111200120212 is an abundant number, since it is smaller than the sum of its proper divisors (1328014937452).

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

1111200120212 is a wasteful number, since it uses less digits than its factorization.

1111200120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689 (or 16687 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111200120212 its reverse (2120210021111), we get a palindrome (3231410141323).

The spelling of 1111200120212 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, two hundred twelve".