12220655659 has 4 divisors (see below), whose sum is σ = 12221010304. Its totient is φ = 12220301016.

The previous prime is 12220655653. The next prime is 12220655687. The reversal of 12220655659 is 95655602221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95655602221 = 23 ⋅4158939227.

It is a cyclic number.

It is not a de Polignac number, because 12220655659 - 2¹⁷ = 12220524587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220655653) 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, 119307 + ... + 196660.

It is an arithmetic number, because the mean of its divisors is an integer number (3055252576).

Almost surely, 2^12220655659 is an apocalyptic number.

12220655659 is a deficient number, since it is larger than the sum of its proper divisors (354645).

12220655659 is an equidigital number, since it uses as much as digits as its factorization.

12220655659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354644.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 12220655659 in words is "twelve billion, two hundred twenty million, six hundred fifty-five thousand, six hundred fifty-nine".