112111222111212 has 48 divisors (see below), whose sum is σ = 261660436674560. Its totient is φ = 37360753561152.

The previous prime is 112111222111177. The next prime is 112111222111243. The reversal of 112111222111212 is 212111222111211.

It is a super-2 number, since 2×112111222111212² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845182158 + ... + 845314794.

Almost surely, 2^{112111222111212} is an apocalyptic number.

112111222111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112111222111212 is an abundant number, since it is smaller than the sum of its proper divisors (149549214563348).

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

112111222111212 is a wasteful number, since it uses less digits than its factorization.

112111222111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150310 (or 150308 counting only the distinct ones).

The product of its digits is 64, while the sum is 21.

Adding to 112111222111212 its reverse (212111222111211), we get a palindrome (324222444222423).

Subtracting 112111222111212 from its reverse (212111222111211), we obtain a palindrome (99999999999999).

The spelling of 112111222111212 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twelve".