112212311312 has 20 divisors (see below), whose sum is σ = 226864021440. Its totient is φ = 53666757408.

The previous prime is 112212311311. The next prime is 112212311317. The reversal of 112212311312 is 213113212211.

It is a super-2 number, since 2×112212311312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112212311311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152462012 + ... + 152462747.

It is an arithmetic number, because the mean of its divisors is an integer number (11343201072).

Almost surely, 2^112212311312 is an apocalyptic number.

It is an amenable number.

112212311312 is an abundant number, since it is smaller than the sum of its proper divisors (114651710128).

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

112212311312 is a wasteful number, since it uses less digits than its factorization.

112212311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304924790 (or 304924784 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 112212311312 its reverse (213113212211), we get a palindrome (325325523523).

The spelling of 112212311312 in words is "one hundred twelve billion, two hundred twelve million, three hundred eleven thousand, three hundred twelve".