12170182206 has 32 divisors (see below), whose sum is σ = 29957372928. Its totient is φ = 3209718240.

The previous prime is 12170182201. The next prime is 12170182231. The reversal of 12170182206 is 60228107121.

It is a super-2 number, since 2×12170182206² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170182201) 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, 11144310 + ... + 11145401.

It is an arithmetic number, because the mean of its divisors is an integer number (936167904).

Almost surely, 2^12170182206 is an apocalyptic number.

12170182206 is an abundant number, since it is smaller than the sum of its proper divisors (17787190722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12170182206 is a wasteful number, since it uses less digits than its factorization.

12170182206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289736.

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 12170182206 its reverse (60228107121), we get a palindrome (72398289327).

It can be divided in two parts, 12170 and 182206, that added together give a triangular number (194376 = T₆₂₃).

The spelling of 12170182206 in words is "twelve billion, one hundred seventy million, one hundred eighty-two thousand, two hundred six".