105894012939912 has 64 divisors (see below), whose sum is σ = 294173763249600. Its totient is φ = 35295157036800.

The previous prime is 105894012939901. The next prime is 105894012939941. The reversal of 105894012939912 is 219939210498501.

105894012939912 is a `hidden beast` number, since 1 + 0 + 5 + 89 + 40 + 129 + 399 + 1 + 2 = 666.

It is a super-2 number, since 2×105894012939912² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105894012939912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17087938 + ... + 22445169.

It is an arithmetic number, because the mean of its divisors is an integer number (4596465050775).

Almost surely, 2^{105894012939912} is an apocalyptic number.

105894012939912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105894012939912 is an abundant number, since it is smaller than the sum of its proper divisors (188279750309688).

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

105894012939912 is a wasteful number, since it uses less digits than its factorization.

105894012939912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39545523 (or 39545513 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 63.

The spelling of 105894012939912 in words is "one hundred five trillion, eight hundred ninety-four billion, twelve million, nine hundred thirty-nine thousand, nine hundred twelve".