105117012512 has 24 divisors (see below), whose sum is σ = 207999633996. Its totient is φ = 52291708672.

The previous prime is 105117012503. The next prime is 105117012557. The reversal of 105117012512 is 215210711501.

It can be written as a sum of positive squares in 2 ways, for example, as 89570912656 + 15546099856 = 299284^2 + 124684^2 .

It is a super-2 number, since 2×105117012512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331023 + ... + 8343630.

Almost surely, 2^105117012512 is an apocalyptic number.

It is an amenable number.

105117012512 is a deficient number, since it is larger than the sum of its proper divisors (102882621484).

105117012512 is a wasteful number, since it uses less digits than its factorization.

105117012512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674860 (or 16674852 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 26.

The spelling of 105117012512 in words is "one hundred five billion, one hundred seventeen million, twelve thousand, five hundred twelve".