2112001012 has 24 divisors (see below), whose sum is σ = 4244214240. Its totient is φ = 909473760.

The previous prime is 2112001007. The next prime is 2112001043. The reversal of 2112001012 is 2101002112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112001012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262323 + ... + 1263994.

It is an arithmetic number, because the mean of its divisors is an integer number (176842260).

Almost surely, 2^2112001012 is an apocalyptic number.

2112001012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2112001012 is an abundant number, since it is smaller than the sum of its proper divisors (2132213228).

2112001012 is a wasteful number, since it uses less digits than its factorization.

2112001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526351 (or 2526349 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2112001012 is about 45956.5121827146. The cubic root of 2112001012 is about 1283.0139369241.

Adding to 2112001012 its reverse (2101002112), we get a palindrome (4213003124).

It can be divided in two parts, 211200 and 1012, that added together give a palindrome (212212).

The spelling of 2112001012 in words is "two billion, one hundred twelve million, one thousand, twelve".