12101000112 has 60 divisors (see below), whose sum is σ = 35858117880. Its totient is φ = 3796391424.

The previous prime is 12101000099. The next prime is 12101000147. The reversal of 12101000112 is 21100010121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12101000094 and 12101000103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2469162 + ... + 2474057.

It is an arithmetic number, because the mean of its divisors is an integer number (597635298).

Almost surely, 2^12101000112 is an apocalyptic number.

12101000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101000112 is an abundant number, since it is smaller than the sum of its proper divisors (23757117768).

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

12101000112 is a wasteful number, since it uses less digits than its factorization.

12101000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943250 (or 4943241 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12101000112 its reverse (21100010121), we get a palindrome (33201010233).

The spelling of 12101000112 in words is "twelve billion, one hundred one million, one hundred twelve", and thus it is an aban number.