12220132866 has 16 divisors (see below), whose sum is σ = 24441517344. Its totient is φ = 4073169024.

The previous prime is 12220132819. The next prime is 12220132889. The reversal of 12220132866 is 66823102221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116961 + ... + 195243.

It is an arithmetic number, because the mean of its divisors is an integer number (1527594834).

Almost surely, 2^12220132866 is an apocalyptic number.

12220132866 is an abundant number, since it is smaller than the sum of its proper divisors (12221384478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220132866 is a wasteful number, since it uses less digits than its factorization.

12220132866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104305.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 12220132866 in words is "twelve billion, two hundred twenty million, one hundred thirty-two thousand, eight hundred sixty-six".