112211212212212 has 24 divisors (see below), whose sum is σ = 196441516433736. Its totient is φ = 56085066989568.

The previous prime is 112211212212199. The next prime is 112211212212247. The reversal of 112211212212212 is 212212212112211.

It can be written as a sum of positive squares in 4 ways, for example, as 37332026680036 + 74879185532176 = 6109994^2 + 8653276^2 .

It is a super-2 number, since 2×112211212212212² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198549428 + ... + 199113780.

It is an arithmetic number, because the mean of its divisors is an integer number (8185063184739).

Almost surely, 2^{112211212212212} is an apocalyptic number.

It is an amenable number.

112211212212212 is a deficient number, since it is larger than the sum of its proper divisors (84230304221524).

112211212212212 is a wasteful number, since it uses less digits than its factorization.

112211212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582467 (or 582465 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

Adding to 112211212212212 its reverse (212212212112211), we get a palindrome (324423424324423).

The spelling of 112211212212212 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".