20123010112 has 28 divisors (see below), whose sum is σ = 40608412560. Its totient is φ = 9890969216.

The previous prime is 20123010107. The next prime is 20123010119. The reversal of 20123010112 is 21101032102.

It is a junction number, because it is equal to n+sod(n) for n = 20123010092 and 20123010101.

It is not an unprimeable number, because it can be changed into a prime (20123010119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660818 + ... + 2668369.

Almost surely, 2^20123010112 is an apocalyptic number.

It is an amenable number.

20123010112 is an abundant number, since it is smaller than the sum of its proper divisors (20485402448).

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

20123010112 is an equidigital number, since it uses as much as digits as its factorization.

20123010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329258 (or 5329248 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20123010112 its reverse (21101032102), we get a palindrome (41224042214).

The spelling of 20123010112 in words is "twenty billion, one hundred twenty-three million, ten thousand, one hundred twelve".