12013100112 has 40 divisors (see below), whose sum is σ = 33421062304. Its totient is φ = 3696338304.

The previous prime is 12013100107. The next prime is 12013100119. The reversal of 12013100112 is 21100131021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013100119) by changing a digit.

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, 9625258 + ... + 9626505.

Almost surely, 2^12013100112 is an apocalyptic number.

12013100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013100112 is an abundant number, since it is smaller than the sum of its proper divisors (21407962192).

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

12013100112 is a wasteful number, since it uses less digits than its factorization.

12013100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19251787 (or 19251781 counting only the distinct ones).

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

Adding to 12013100112 its reverse (21100131021), we get a palindrome (33113231133).

The spelling of 12013100112 in words is "twelve billion, thirteen million, one hundred thousand, one hundred twelve".