105005134012 has 12 divisors (see below), whose sum is σ = 183846047616. Its totient is φ = 52477691840.

The previous prime is 105005133991. The next prime is 105005134027. The reversal of 105005134012 is 210431500501.

It is a happy number.

It is a super-2 number, since 2×105005134012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 6209293 + ... + 6226180.

It is an arithmetic number, because the mean of its divisors is an integer number (15320503968).

Almost surely, 2^105005134012 is an apocalyptic number.

It is an amenable number.

105005134012 is a deficient number, since it is larger than the sum of its proper divisors (78840913604).

105005134012 is a wasteful number, since it uses less digits than its factorization.

105005134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437588 (or 12437586 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 105005134012 its reverse (210431500501), we get a palindrome (315436634513).

The spelling of 105005134012 in words is "one hundred five billion, five million, one hundred thirty-four thousand, twelve".