112012212121112 has 8 divisors (see below), whose sum is σ = 210022897727100. Its totient is φ = 56006106060552.

The previous prime is 112012212121063. The next prime is 112012212121123. The reversal of 112012212121112 is 211121212210211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×112012212121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000763257562 + ... + 7000763257577.

Almost surely, 2^{112012212121112} is an apocalyptic number.

It is an amenable number.

112012212121112 is a deficient number, since it is larger than the sum of its proper divisors (98010685605988).

112012212121112 is a wasteful number, since it uses less digits than its factorization.

112012212121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001526515145 (or 14001526515141 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112012212121112 its reverse (211121212210211), we get a palindrome (323133424331323).

The spelling of 112012212121112 in words is "one hundred twelve trillion, twelve billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twelve".