1309212960171 has 8 divisors (see below), whose sum is σ = 1747278195264. Its totient is φ = 871978182600.

The previous prime is 1309212960169. The next prime is 1309212960203. The reversal of 1309212960171 is 1710692129031.

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

It is not a de Polignac number, because 1309212960171 - 2¹ = 1309212960169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1309212960101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207610701 + ... + 207617006.

It is an arithmetic number, because the mean of its divisors is an integer number (218409774408).

Almost surely, 2^{1309212960171} is an apocalyptic number.

1309212960171 is a deficient number, since it is larger than the sum of its proper divisors (438065235093).

1309212960171 is a wasteful number, since it uses less digits than its factorization.

1309212960171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415228761.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 1309212960171 in words is "one trillion, three hundred nine billion, two hundred twelve million, nine hundred sixty thousand, one hundred seventy-one".