111313233112312 has 128 divisors (see below), whose sum is σ = 263218704192000. Its totient is φ = 42868104744960.

The previous prime is 111313233112309. The next prime is 111313233112337. The reversal of 111313233112312 is 213211332313111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176053239 + ... + 176684377.

It is an arithmetic number, because the mean of its divisors is an integer number (2056396126500).

Almost surely, 2^{111313233112312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111313233112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131609352096000).

111313233112312 is an abundant number, since it is smaller than the sum of its proper divisors (151905471079688).

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

111313233112312 is a wasteful number, since it uses less digits than its factorization.

111313233112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634469 (or 634465 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

Adding to 111313233112312 its reverse (213211332313111), we get a palindrome (324524565425423).

The spelling of 111313233112312 in words is "one hundred eleven trillion, three hundred thirteen billion, two hundred thirty-three million, one hundred twelve thousand, three hundred twelve".