12220664129189 has 2 divisors, whose sum is σ = 12220664129190. Its totient is φ = 12220664129188.

The previous prime is 12220664129183. The next prime is 12220664129209. The reversal of 12220664129189 is 98192146602221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9399466881025 + 2821197248164 = 3065855^2 + 1679642^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220664129189 - 2²⁸ = 12220395693733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220664129189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220664129183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110332064594 + 6110332064595.

It is an arithmetic number, because the mean of its divisors is an integer number (6110332064595).

Almost surely, 2^{12220664129189} is an apocalyptic number.

It is an amenable number.

12220664129189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220664129189 is an equidigital number, since it uses as much as digits as its factorization.

12220664129189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 12220664129189 in words is "twelve trillion, two hundred twenty billion, six hundred sixty-four million, one hundred twenty-nine thousand, one hundred eighty-nine".