123010112 has 56 divisors (see below), whose sum is σ = 254568960. Its totient is φ = 58903040.

The previous prime is 123010109. The next prime is 123010157. The reversal of 123010112 is 211010321.

It is a junction number, because it is equal to n+sod(n) for n = 123010093 and 123010102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354323 + ... + 354669.

Almost surely, 2^123010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127284480).

123010112 is an abundant number, since it is smaller than the sum of its proper divisors (131558848).

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

123010112 is a wasteful number, since it uses less digits than its factorization.

123010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 123010112 is about 11090.9923812074. The cubic root of 123010112 is about 497.3326113804.

Adding to 123010112 its reverse (211010321), we get a palindrome (334020433).

The spelling of 123010112 in words is "one hundred twenty-three million, ten thousand, one hundred twelve".