112012312112 has 40 divisors (see below), whose sum is σ = 241884183600. Its totient is φ = 49937375232.

The previous prime is 112012312099. The next prime is 112012312117. The reversal of 112012312112 is 211213210211.

It is a happy number.

It is a super-2 number, since 2×112012312112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (112012312117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10831937 + ... + 10842272.

It is an arithmetic number, because the mean of its divisors is an integer number (6047104590).

Almost surely, 2^112012312112 is an apocalyptic number.

It is an amenable number.

112012312112 is an abundant number, since it is smaller than the sum of its proper divisors (129871871488).

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

112012312112 is a wasteful number, since it uses less digits than its factorization.

112012312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21674253 (or 21674247 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112012312112 its reverse (211213210211), we get a palindrome (323225522323).

The spelling of 112012312112 in words is "one hundred twelve billion, twelve million, three hundred twelve thousand, one hundred twelve".