1208120823317 has 8 divisors (see below), whose sum is σ = 1210563780000. Its totient is φ = 1205680052304.

The previous prime is 1208120823251. The next prime is 1208120823319. The reversal of 1208120823317 is 7133280218021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1208120823317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208120823319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562463 + ... + 1653059.

It is an arithmetic number, because the mean of its divisors is an integer number (151320472500).

Almost surely, 2^{1208120823317} is an apocalyptic number.

It is an amenable number.

1208120823317 is a deficient number, since it is larger than the sum of its proper divisors (2442956683).

1208120823317 is a wasteful number, since it uses less digits than its factorization.

1208120823317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092835.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 1208120823317 in words is "one trillion, two hundred eight billion, one hundred twenty million, eight hundred twenty-three thousand, three hundred seventeen".