112243201812 has 54 divisors (see below), whose sum is σ = 330048467658. Its totient is φ = 32069485728.

The previous prime is 112243201799. The next prime is 112243201831. The reversal of 112243201812 is 218102342211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76886416656 + 35356785156 = 277284^2 + 188034^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 31813203 + ... + 31816730.

Almost surely, 2^112243201812 is an apocalyptic number.

112243201812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112243201812 is an abundant number, since it is smaller than the sum of its proper divisors (217805265846).

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

112243201812 is a wasteful number, since it uses less digits than its factorization.

112243201812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63629957 (or 63629945 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 112243201812 in words is "one hundred twelve billion, two hundred forty-three million, two hundred one thousand, eight hundred twelve".