1712110123105 has 8 divisors (see below), whose sum is σ = 2054544252264. Its totient is φ = 1369680028800.

The previous prime is 1712110123057. The next prime is 1712110123151. The reversal of 1712110123105 is 5013210112171.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114050070369 + 1598060052736 = 337713^2 + 1264144^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1712110123105 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1712110123105.

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, 20235 + ... + 1850575.

It is an arithmetic number, because the mean of its divisors is an integer number (256818031533).

Almost surely, 2^{1712110123105} is an apocalyptic number.

It is an amenable number.

1712110123105 is a deficient number, since it is larger than the sum of its proper divisors (342434129159).

1712110123105 is a wasteful number, since it uses less digits than its factorization.

1712110123105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017427.

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 1712110123105 its reverse (5013210112171), we get a palindrome (6725320235276).

The spelling of 1712110123105 in words is "one trillion, seven hundred twelve billion, one hundred ten million, one hundred twenty-three thousand, one hundred five".