12217086682 has 8 divisors (see below), whose sum is σ = 18328224852. Its totient is φ = 6107678400.

The previous prime is 12217086677. The next prime is 12217086683. The reversal of 12217086682 is 28668071221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10499895961 + 1717190721 = 102469^2 + 41439^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12217086683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414669 + ... + 443152.

Almost surely, 2^12217086682 is an apocalyptic number.

12217086682 is a deficient number, since it is larger than the sum of its proper divisors (6111138170).

12217086682 is an equidigital number, since it uses as much as digits as its factorization.

12217086682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864944.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 12217086682 in words is "twelve billion, two hundred seventeen million, eighty-six thousand, six hundred eighty-two".