12216179506 has 8 divisors (see below), whose sum is σ = 18324858240. Its totient is φ = 6107893428.

The previous prime is 12216179491. The next prime is 12216179533. The reversal of 12216179506 is 60597161221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246 + ... + 156313.

It is an arithmetic number, because the mean of its divisors is an integer number (2290607280).

Almost surely, 2^12216179506 is an apocalyptic number.

12216179506 is a deficient number, since it is larger than the sum of its proper divisors (6108678734).

12216179506 is a wasteful number, since it uses less digits than its factorization.

12216179506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196328.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 12216179506 in words is "twelve billion, two hundred sixteen million, one hundred seventy-nine thousand, five hundred six".