105012840124 has 6 divisors (see below), whose sum is σ = 183772470224. Its totient is φ = 52506420060.

The previous prime is 105012840041. The next prime is 105012840169. The reversal of 105012840124 is 421048210501.

It is a super-2 number, since 2×105012840124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105012840092 and 105012840101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126605012 + ... + 13126605019.

Almost surely, 2^105012840124 is an apocalyptic number.

It is an amenable number.

105012840124 is a deficient number, since it is larger than the sum of its proper divisors (78759630100).

105012840124 is a wasteful number, since it uses less digits than its factorization.

105012840124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26253210035 (or 26253210033 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 105012840124 in words is "one hundred five billion, twelve million, eight hundred forty thousand, one hundred twenty-four".