2116571052012 has 24 divisors (see below), whose sum is σ = 4938928967616. Its totient is φ = 705486086928.

The previous prime is 2116571051971. The next prime is 2116571052041. The reversal of 2116571052012 is 2102501756112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464598 + ... + 4915869.

It is an arithmetic number, because the mean of its divisors is an integer number (205788706984).

Almost surely, 2^{2116571052012} is an apocalyptic number.

It is an amenable number.

2116571052012 is an abundant number, since it is smaller than the sum of its proper divisors (2822357915604).

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

2116571052012 is a wasteful number, since it uses less digits than its factorization.

2116571052012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399277 (or 9399275 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 2116571052012 in words is "two trillion, one hundred sixteen billion, five hundred seventy-one million, fifty-two thousand, twelve".