999110020220212 has 24 divisors (see below), whose sum is σ = 1755249631962120. Its totient is φ = 497610133831680.

The previous prime is 999110020220177. The next prime is 999110020220239. The reversal of 999110020220212 is 212022020011999.

It can be written as a sum of positive squares in 4 ways, for example, as 786045668688036 + 213064351532176 = 28036506^2 + 14596724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693777964 + ... + 695216572.

It is an arithmetic number, because the mean of its divisors is an integer number (73135401331755).

Almost surely, 2^{999110020220212} is an apocalyptic number.

It is an amenable number.

999110020220212 is a deficient number, since it is larger than the sum of its proper divisors (756139611741908).

999110020220212 is a wasteful number, since it uses less digits than its factorization.

999110020220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114451 (or 2114449 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 999110020220212 in words is "nine hundred ninety-nine trillion, one hundred ten billion, twenty million, two hundred twenty thousand, two hundred twelve".