12085641802217 has 16 divisors (see below), whose sum is σ = 12883094784000. Its totient is φ = 11304332951184.

The previous prime is 12085641802181. The next prime is 12085641802249. The reversal of 12085641802217 is 71220814658021.

It is a cyclic number.

It is not a de Polignac number, because 12085641802217 - 2¹⁶ = 12085641736681 is a prime.

It is a super-2 number, since 2×12085641802217² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12085641805217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77462228 + ... + 77618090.

It is an arithmetic number, because the mean of its divisors is an integer number (805193424000).

Almost surely, 2^{12085641802217} is an apocalyptic number.

It is an amenable number.

12085641802217 is a deficient number, since it is larger than the sum of its proper divisors (797452981783).

12085641802217 is a wasteful number, since it uses less digits than its factorization.

12085641802217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207620.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 12085641802217 in words is "twelve trillion, eighty-five billion, six hundred forty-one million, eight hundred two thousand, two hundred seventeen".