105043005012 has 24 divisors (see below), whose sum is σ = 267382194912. Its totient is φ = 31831213600.

The previous prime is 105043004999. The next prime is 105043005029. The reversal of 105043005012 is 210500340501.

It is a super-2 number, since 2×105043005012² (a number of 23 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 105043005012.

It is a congruent number.

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, 397890039 + ... + 397890302.

It is an arithmetic number, because the mean of its divisors is an integer number (11140924788).

Almost surely, 2^105043005012 is an apocalyptic number.

105043005012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105043005012 is an abundant number, since it is smaller than the sum of its proper divisors (162339189900).

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

105043005012 is a wasteful number, since it uses less digits than its factorization.

105043005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795780359 (or 795780357 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 105043005012 its reverse (210500340501), we get a palindrome (315543345513).

The spelling of 105043005012 in words is "one hundred five billion, forty-three million, five thousand, twelve".