12166234345 has 16 divisors (see below), whose sum is σ = 14655016512. Its totient is φ = 9696012480.

The previous prime is 12166234277. The next prime is 12166234357. The reversal of 12166234345 is 54343266121.

It is not a de Polignac number, because 12166234345 - 2¹¹ = 12166232297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3197214 + ... + 3201016.

It is an arithmetic number, because the mean of its divisors is an integer number (915938532).

Almost surely, 2^12166234345 is an apocalyptic number.

It is an amenable number.

12166234345 is a deficient number, since it is larger than the sum of its proper divisors (2488782167).

12166234345 is a wasteful number, since it uses less digits than its factorization.

12166234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072.

The product of its digits is 103680, while the sum is 37.

The spelling of 12166234345 in words is "twelve billion, one hundred sixty-six million, two hundred thirty-four thousand, three hundred forty-five".