1217375114245 has 16 divisors (see below), whose sum is σ = 1461628437120. Its totient is φ = 973381392064.

The previous prime is 1217375114209. The next prime is 1217375114257. The reversal of 1217375114245 is 5424115737121.

It is a cyclic number.

It is not a de Polignac number, because 1217375114245 - 2¹⁵ = 1217375081477 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 106343112 + ... + 106354558.

It is an arithmetic number, because the mean of its divisors is an integer number (91351777320).

Almost surely, 2^{1217375114245} is an apocalyptic number.

It is an amenable number.

1217375114245 is a deficient number, since it is larger than the sum of its proper divisors (244253322875).

1217375114245 is a wasteful number, since it uses less digits than its factorization.

1217375114245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924.

The product of its digits is 235200, while the sum is 43.

The spelling of 1217375114245 in words is "one trillion, two hundred seventeen billion, three hundred seventy-five million, one hundred fourteen thousand, two hundred forty-five".