111412 has 24 divisors (see below), whose sum is σ = 233856. Its totient is φ = 45408.

The previous prime is 111409. The next prime is 111427. The reversal of 111412 is 214111.

It is a nude number because it is divisible by every one of its digits.

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, 558 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (9744).

2¹¹¹⁴¹² 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 111412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116928).

111412 is an abundant number, since it is smaller than the sum of its proper divisors (122444).

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

111412 is a wasteful number, since it uses less digits than its factorization.

111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its digits is 8, while the sum is 10.

The square root of 111412 is about 333.7843615270. The cubic root of 111412 is about 48.1183422510.

Adding to 111412 its reverse (214111), we get a palindrome (325523).

The spelling of 111412 in words is "one hundred eleven thousand, four hundred twelve", and thus it is an iban number.