2112104213012 has 6 divisors (see below), whose sum is σ = 3696182372778. Its totient is φ = 1056052106504.

The previous prime is 2112104212987. The next prime is 2112104213033. The reversal of 2112104213012 is 2103124012112.

It can be written as a sum of positive squares in only one way, i.e., 2051895813136 + 60208399876 = 1432444^2 + 245374^2 .

It is a super-2 number, since 2×2112104213012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264013026623 + ... + 264013026630.

It is an arithmetic number, because the mean of its divisors is an integer number (616030395463).

Almost surely, 2^{2112104213012} is an apocalyptic number.

It is an amenable number.

2112104213012 is a deficient number, since it is larger than the sum of its proper divisors (1584078159766).

2112104213012 is a wasteful number, since it uses less digits than its factorization.

2112104213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528026053257 (or 528026053255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2112104213012 its reverse (2103124012112), we get a palindrome (4215228225124).

The spelling of 2112104213012 in words is "two trillion, one hundred twelve billion, one hundred four million, two hundred thirteen thousand, twelve".