445766221632212 has 12 divisors (see below), whose sum is σ = 840097879230036. Its totient is φ = 205738256137920.

The previous prime is 445766221632203. The next prime is 445766221632293. The reversal of 445766221632212 is 212236122667544.

It can be written as a sum of positive squares in 2 ways, for example, as 122316212031556 + 323450009600656 = 11059666^2 + 17984716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286213669489 + ... + 4286213669592.

It is an arithmetic number, because the mean of its divisors is an integer number (70008156602503).

Almost surely, 2^{445766221632212} is an apocalyptic number.

It is an amenable number.

445766221632212 is a deficient number, since it is larger than the sum of its proper divisors (394331657597824).

445766221632212 is a wasteful number, since it uses less digits than its factorization.

445766221632212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572427339098 (or 8572427339096 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 53.

The spelling of 445766221632212 in words is "four hundred forty-five trillion, seven hundred sixty-six billion, two hundred twenty-one million, six hundred thirty-two thousand, two hundred twelve".