2012545644105 has 16 divisors (see below), whose sum is σ = 3220102753920. Its totient is φ = 1073347769088.

The previous prime is 2012545644097. The next prime is 2012545644127. The reversal of 2012545644105 is 5014465452102.

It is not a de Polignac number, because 2012545644105 - 2³ = 2012545644097 is a prime.

It is a super-3 number, since 3×2012545644105³ (a number of 38 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1240036 + ... + 2358554.

It is an arithmetic number, because the mean of its divisors is an integer number (201256422120).

Almost surely, 2^{2012545644105} is an apocalyptic number.

It is an amenable number.

2012545644105 is a deficient number, since it is larger than the sum of its proper divisors (1207557109815).

2012545644105 is a wasteful number, since it uses less digits than its factorization.

2012545644105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238480.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 2012545644105 in words is "two trillion, twelve billion, five hundred forty-five million, six hundred forty-four thousand, one hundred five".