2105544052012 has 24 divisors (see below), whose sum is σ = 3723715037952. Its totient is φ = 1041639648000.

The previous prime is 2105544051997. The next prime is 2105544052033. The reversal of 2105544052012 is 2102504455012.

It is a super-2 number, since 2×2105544052012² (a number of 25 digits) contains 22 as substring.

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, 1177213 + ... + 2365780.

It is an arithmetic number, because the mean of its divisors is an integer number (155154793248).

Almost surely, 2^{2105544052012} is an apocalyptic number.

It is an amenable number.

2105544052012 is a deficient number, since it is larger than the sum of its proper divisors (1618170985940).

2105544052012 is a wasteful number, since it uses less digits than its factorization.

2105544052012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544569 (or 3544567 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 2105544052012 in words is "two trillion, one hundred five billion, five hundred forty-four million, fifty-two thousand, twelve".