105345250012 has 12 divisors (see below), whose sum is σ = 190711228680. Its totient is φ = 50856327536.

The previous prime is 105345249967. The next prime is 105345250033. The reversal of 105345250012 is 210052543501.

It is a super-2 number, since 2×105345250012² (a number of 23 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 454074238 + ... + 454074469.

It is an arithmetic number, because the mean of its divisors is an integer number (15892602390).

Almost surely, 2^105345250012 is an apocalyptic number.

It is an amenable number.

105345250012 is a deficient number, since it is larger than the sum of its proper divisors (85365978668).

105345250012 is a wasteful number, since it uses less digits than its factorization.

105345250012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908148740 (or 908148738 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 105345250012 its reverse (210052543501), we get a palindrome (315397793513).

The spelling of 105345250012 in words is "one hundred five billion, three hundred forty-five million, two hundred fifty thousand, twelve".