112120211312 has 20 divisors (see below), whose sum is σ = 217446123480. Its totient is φ = 56005082688.

The previous prime is 112120211303. The next prime is 112120211351. The reversal of 112120211312 is 213112021211.

It is a happy number.

It is a super-2 number, since 2×112120211312² (a number of 23 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, 3422123 + ... + 3454730.

It is an arithmetic number, because the mean of its divisors is an integer number (10872306174).

Almost surely, 2^112120211312 is an apocalyptic number.

It is an amenable number.

112120211312 is a deficient number, since it is larger than the sum of its proper divisors (105325912168).

112120211312 is a wasteful number, since it uses less digits than its factorization.

112120211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877880 (or 6877874 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112120211312 its reverse (213112021211), we get a palindrome (325232232523).

The spelling of 112120211312 in words is "one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, three hundred twelve".