12698923502161 has 8 divisors (see below), whose sum is σ = 13678009097984. Its totient is φ = 11720158667280.

The previous prime is 12698923502117. The next prime is 12698923502171. The reversal of 12698923502161 is 16120532989621.

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-12698923502161 is a prime.

It is a super-2 number, since 2×12698923502161² (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 (12698923502171) 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, 80108001 + ... + 80266366.

It is an arithmetic number, because the mean of its divisors is an integer number (1709751137248).

Almost surely, 2^{12698923502161} is an apocalyptic number.

It is an amenable number.

12698923502161 is a deficient number, since it is larger than the sum of its proper divisors (979085595823).

12698923502161 is a wasteful number, since it uses less digits than its factorization.

12698923502161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160380471.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 12698923502161 in words is "twelve trillion, six hundred ninety-eight billion, nine hundred twenty-three million, five hundred two thousand, one hundred sixty-one".