112111213212 has 240 divisors, whose sum is σ = 304723387584. Its totient is φ = 35925120000.

The previous prime is 112111213189. The next prime is 112111213289. The reversal of 112111213212 is 212312111211.

It is a happy number.

112111213212 is a `hidden beast` number, since 11 + 211 + 121 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 79 ways as a sum of consecutive naturals, for example, 169608162 + ... + 169608822.

Almost surely, 2^112111213212 is an apocalyptic number.

112111213212 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 112111213212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152361693792).

112111213212 is an abundant number, since it is smaller than the sum of its proper divisors (192612174372).

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

112111213212 is a wasteful number, since it uses less digits than its factorization.

112111213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 911 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 112111213212 its reverse (212312111211), we get a palindrome (324423324423).

The spelling of 112111213212 in words is "one hundred twelve billion, one hundred eleven million, two hundred thirteen thousand, two hundred twelve".