12216262659 has 8 divisors (see below), whose sum is σ = 16813780992. Its totient is φ = 7881459720.

The previous prime is 12216262637. The next prime is 12216262691. The reversal of 12216262659 is 95626261221.

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

It is not a de Polignac number, because 12216262659 - 2¹³ = 12216254467 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12216262659.

It is not an unprimeable number, because it can be changed into a prime (12216262459) 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, 65678739 + ... + 65678924.

It is an arithmetic number, because the mean of its divisors is an integer number (2101722624).

Almost surely, 2^12216262659 is an apocalyptic number.

12216262659 is a deficient number, since it is larger than the sum of its proper divisors (4597518333).

12216262659 is a wasteful number, since it uses less digits than its factorization.

12216262659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131357697.

The product of its digits is 155520, while the sum is 42.

The spelling of 12216262659 in words is "twelve billion, two hundred sixteen million, two hundred sixty-two thousand, six hundred fifty-nine".