990212222022202 has 8 divisors (see below), whose sum is σ = 1489526033694516. Its totient is φ = 493703544124032.

The previous prime is 990212222022097. The next prime is 990212222022263. The reversal of 990212222022202 is 202220222212099.

It can be written as a sum of positive squares in 2 ways, for example, as 987798949874361 + 2413272147841 = 31429269^2 + 1553471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701283442653 + ... + 701283444064.

Almost surely, 2^{990212222022202} is an apocalyptic number.

990212222022202 is a deficient number, since it is larger than the sum of its proper divisors (499313811672314).

990212222022202 is a wasteful number, since it uses less digits than its factorization.

990212222022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402566887072.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 990212222022202 in words is "nine hundred ninety trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, two hundred two".