112012311100 has 18 divisors (see below), whose sum is σ = 243066715304. Its totient is φ = 44804924400.

The previous prime is 112012311091. The next prime is 112012311101. The reversal of 112012311100 is 1113210211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012311101) 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 in 5 ways as a sum of consecutive naturals, for example, 560061456 + ... + 560061655.

Almost surely, 2^112012311100 is an apocalyptic number.

112012311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012311100 is an abundant number, since it is smaller than the sum of its proper divisors (131054404204).

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

112012311100 is a wasteful number, since it uses less digits than its factorization.

112012311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120123125 (or 1120123118 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 112012311100 its reverse (1113210211), we get a palindrome (113125521311).

The spelling of 112012311100 in words is "one hundred twelve billion, twelve million, three hundred eleven thousand, one hundred".