12108353156686 has 16 divisors (see below), whose sum is σ = 18180689108400. Its totient is φ = 6048123992640.

The previous prime is 12108353156657. The next prime is 12108353156687. The reversal of 12108353156686 is 68665135380121.

It is a super-2 number, since 2×12108353156686² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108353156687) 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, 49350565 + ... + 49595311.

It is an arithmetic number, because the mean of its divisors is an integer number (1136293069275).

Almost surely, 2^{12108353156686} is an apocalyptic number.

12108353156686 is a deficient number, since it is larger than the sum of its proper divisors (6072335951714).

12108353156686 is a wasteful number, since it uses less digits than its factorization.

12108353156686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269379.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 12108353156686 in words is "twelve trillion, one hundred eight billion, three hundred fifty-three million, one hundred fifty-six thousand, six hundred eighty-six".