112212123123 has 8 divisors (see below), whose sum is σ = 157490699200. Its totient is φ = 70870814568.

The previous prime is 112212123113. The next prime is 112212123151. The reversal of 112212123123 is 321321212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112212123123 - 2⁹ = 112212122611 is a prime.

It is a super-2 number, since 2×112212123123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112212123123.

It is not an unprimeable number, because it can be changed into a prime (112212123113) 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 7 ways as a sum of consecutive naturals, for example, 984316813 + ... + 984316926.

It is an arithmetic number, because the mean of its divisors is an integer number (19686337400).

Almost surely, 2^112212123123 is an apocalyptic number.

112212123123 is a deficient number, since it is larger than the sum of its proper divisors (45278576077).

112212123123 is a wasteful number, since it uses less digits than its factorization.

112212123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968633761.

The product of its digits is 288, while the sum is 21.

Adding to 112212123123 its reverse (321321212211), we get a palindrome (433533335334).

The spelling of 112212123123 in words is "one hundred twelve billion, two hundred twelve million, one hundred twenty-three thousand, one hundred twenty-three".