12171650006 has 16 divisors (see below), whose sum is σ = 18833757360. Its totient is φ = 5896709280.

The previous prime is 12171650003. The next prime is 12171650009. The reversal of 12171650006 is 60005617121.

It is an interprime number because it is at equal distance from previous prime (12171650003) and next prime (12171650009).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171650003) 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, 736361 + ... + 752708.

It is an arithmetic number, because the mean of its divisors is an integer number (1177109835).

Almost surely, 2^12171650006 is an apocalyptic number.

12171650006 is a deficient number, since it is larger than the sum of its proper divisors (6662107354).

12171650006 is a wasteful number, since it uses less digits than its factorization.

12171650006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489199.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 12171650006 in words is "twelve billion, one hundred seventy-one million, six hundred fifty thousand, six".