112012210123 has 16 divisors (see below), whose sum is σ = 122986857600. Its totient is φ = 101170529280.

The previous prime is 112012210091. The next prime is 112012210157. The reversal of 112012210123 is 321012210211.

It is a cyclic number.

It is not a de Polignac number, because 112012210123 - 2⁵ = 112012210091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012210097 and 112012210106.

It is not an unprimeable number, because it can be changed into a prime (112012210423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245588 + ... + 2294926.

It is an arithmetic number, because the mean of its divisors is an integer number (7686678600).

Almost surely, 2^112012210123 is an apocalyptic number.

112012210123 is a deficient number, since it is larger than the sum of its proper divisors (10974647477).

112012210123 is a wasteful number, since it uses less digits than its factorization.

112012210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50682.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112012210123 its reverse (321012210211), we get a palindrome (433024420334).

The spelling of 112012210123 in words is "one hundred twelve billion, twelve million, two hundred ten thousand, one hundred twenty-three".