112012121112 has 64 divisors (see below), whose sum is σ = 281076307200. Its totient is φ = 37198035840.

The previous prime is 112012121033. The next prime is 112012121113. The reversal of 112012121112 is 211121210211.

It is a happy number.

It is a super-2 number, since 2×112012121112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112012121091 and 112012121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012121113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26547339 + ... + 26551557.

It is an arithmetic number, because the mean of its divisors is an integer number (4391817300).

Almost surely, 2^112012121112 is an apocalyptic number.

112012121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112012121112 is an abundant number, since it is smaller than the sum of its proper divisors (169064186088).

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

112012121112 is a wasteful number, since it uses less digits than its factorization.

112012121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096 (or 8092 counting only the distinct ones).

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

Adding to 112012121112 its reverse (211121210211), we get a palindrome (323133331323).

The spelling of 112012121112 in words is "one hundred twelve billion, twelve million, one hundred twenty-one thousand, one hundred twelve".