112012123311 has 12 divisors (see below), whose sum is σ = 176503952040. Its totient is φ = 67886135280.

The previous prime is 112012123303. The next prime is 112012123313. The reversal of 112012123311 is 113321210211.

112012123311 is a `hidden beast` number, since 1 + 120 + 1 + 212 + 331 + 1 = 666.

It is not a de Polignac number, because 112012123311 - 2³ = 112012123303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012123313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565717696 + ... + 565717893.

It is an arithmetic number, because the mean of its divisors is an integer number (14708662670).

Almost surely, 2^112012123311 is an apocalyptic number.

112012123311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112012123311 is a deficient number, since it is larger than the sum of its proper divisors (64491828729).

112012123311 is a wasteful number, since it uses less digits than its factorization.

112012123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131435606 (or 1131435603 counting only the distinct ones).

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

Adding to 112012123311 its reverse (113321210211), we get a palindrome (225333333522).

The spelling of 112012123311 in words is "one hundred twelve billion, twelve million, one hundred twenty-three thousand, three hundred eleven".