220002221012212 has 12 divisors (see below), whose sum is σ = 385045121054020. Its totient is φ = 109989329282496.

The previous prime is 220002221012207. The next prime is 220002221012279. The reversal of 220002221012212 is 212210122200022.

It can be written as a sum of positive squares in 2 ways, for example, as 149196795168996 + 70805425843216 = 12214614^2 + 8414596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220002221012212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945263887 + ... + 2945338582.

Almost surely, 2^{220002221012212} is an apocalyptic number.

It is an amenable number.

220002221012212 is a deficient number, since it is larger than the sum of its proper divisors (165042900041808).

220002221012212 is a wasteful number, since it uses less digits than its factorization.

220002221012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890611810 (or 5890611808 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220002221012212 its reverse (212210122200022), we get a palindrome (432212343212234).

The spelling of 220002221012212 in words is "two hundred twenty trillion, two billion, two hundred twenty-one million, twelve thousand, two hundred twelve".