112231021312 has 18 divisors (see below), whose sum is σ = 224023640708. Its totient is φ = 56115510528.

The previous prime is 112231021291. The next prime is 112231021313. The reversal of 112231021312 is 213120132211.

It is a self number, because there is not a number n which added to its sum of digits gives 112231021312.

It is not an unprimeable number, because it can be changed into a prime (112231021313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219200958 + ... + 219201469.

Almost surely, 2^112231021312 is an apocalyptic number.

It is an amenable number.

112231021312 is a deficient number, since it is larger than the sum of its proper divisors (111792619396).

112231021312 is an frugal number, since it uses more digits than its factorization.

112231021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438402443 (or 438402429 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112231021312 its reverse (213120132211), we get a palindrome (325351153523).

The spelling of 112231021312 in words is "one hundred twelve billion, two hundred thirty-one million, twenty-one thousand, three hundred twelve".