112211222201212 has 12 divisors (see below), whose sum is σ = 198313892702856. Its totient is φ = 55550110000400.

The previous prime is 112211222201207. The next prime is 112211222201233. The reversal of 112211222201212 is 212102222112211.

It is a super-2 number, since 2×112211222201212² (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 in 3 ways as a sum of consecutive naturals, for example, 138875274598 + ... + 138875275405.

It is an arithmetic number, because the mean of its divisors is an integer number (16526157725238).

Almost surely, 2^{112211222201212} is an apocalyptic number.

It is an amenable number.

112211222201212 is a deficient number, since it is larger than the sum of its proper divisors (86102670501644).

112211222201212 is a wasteful number, since it uses less digits than its factorization.

112211222201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277750550108 (or 277750550106 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112211222201212 its reverse (212102222112211), we get a palindrome (324313444313423).

The spelling of 112211222201212 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty-two million, two hundred one thousand, two hundred twelve".