111112001101212 has 24 divisors (see below), whose sum is σ = 259277099805696. Its totient is φ = 37035081714288.

The previous prime is 111112001101169. The next prime is 111112001101217. The reversal of 111112001101212 is 212101100211111.

It is a junction number, because it is equal to n+sod(n) for n = 111112001101191 and 111112001101200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112001101217) 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, 281292678 + ... + 281687405.

It is an arithmetic number, because the mean of its divisors is an integer number (10803212491904).

Almost surely, 2^{111112001101212} is an apocalyptic number.

111112001101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111112001101212 is an abundant number, since it is smaller than the sum of its proper divisors (148165098704484).

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

111112001101212 is a wasteful number, since it uses less digits than its factorization.

111112001101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562996537 (or 562996535 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111112001101212 its reverse (212101100211111), we get a palindrome (323213101312323).

The spelling of 111112001101212 in words is "one hundred eleven trillion, one hundred twelve billion, one million, one hundred one thousand, two hundred twelve".