10001112012 has 48 divisors (see below), whose sum is σ = 25996615680. Its totient is φ = 3324986064.

The previous prime is 10001111987. The next prime is 10001112067. The reversal of 10001112012 is 21021110001.

It is a happy number.

10001112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 10001111985 and 10001112003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79528 + ... + 162255.

It is an arithmetic number, because the mean of its divisors is an integer number (541596160).

Almost surely, 2^10001112012 is an apocalyptic number.

10001112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001112012 is an abundant number, since it is smaller than the sum of its proper divisors (15995503668).

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

10001112012 is a wasteful number, since it uses less digits than its factorization.

10001112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242179 (or 242171 counting only the distinct ones).

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

Adding to 10001112012 its reverse (21021110001), we get a palindrome (31022222013).

The spelling of 10001112012 in words is "ten billion, one million, one hundred twelve thousand, twelve".