12220076655569 has 2 divisors, whose sum is σ = 12220076655570. Its totient is φ = 12220076655568.

The previous prime is 12220076655379. The next prime is 12220076655581. The reversal of 12220076655569 is 96555667002221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11742855436225 + 477221219344 = 3426785^2 + 690812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220076655569 is a prime.

It is a super-2 number, since 2×12220076655569² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12220076652569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110038327784 + 6110038327785.

It is an arithmetic number, because the mean of its divisors is an integer number (6110038327785).

Almost surely, 2^{12220076655569} is an apocalyptic number.

It is an amenable number.

12220076655569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220076655569 is an equidigital number, since it uses as much as digits as its factorization.

12220076655569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 12220076655569 in words is "twelve trillion, two hundred twenty billion, seventy-six million, six hundred fifty-five thousand, five hundred sixty-nine".