1112231100312 has 160 divisors (see below), whose sum is σ = 3213068886720. Its totient is φ = 359261913600.

The previous prime is 1112231100271. The next prime is 1112231100313. The reversal of 1112231100312 is 2130011322111.

1112231100312 is a `hidden beast` number, since 1 + 112 + 231 + 10 + 0 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112231100313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2895268 + ... + 3256844.

It is an arithmetic number, because the mean of its divisors is an integer number (20081680542).

Almost surely, 2^{1112231100312} is an apocalyptic number.

1112231100312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112231100312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606534443360).

1112231100312 is an abundant number, since it is smaller than the sum of its proper divisors (2100837786408).

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

1112231100312 is a wasteful number, since it uses less digits than its factorization.

1112231100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361743 (or 361730 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112231100312 its reverse (2130011322111), we get a palindrome (3242242422423).

The spelling of 1112231100312 in words is "one trillion, one hundred twelve billion, two hundred thirty-one million, one hundred thousand, three hundred twelve".