1002223020212 has 12 divisors (see below), whose sum is σ = 1765061562180. Its totient is φ = 497919716736.

The previous prime is 1002223020203. The next prime is 1002223020259. The reversal of 1002223020212 is 2120203222001.

It can be written as a sum of positive squares in 2 ways, for example, as 337730673316 + 664492346896 = 581146^2 + 815164^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797947637 + ... + 797948892.

It is an arithmetic number, because the mean of its divisors is an integer number (147088463515).

Almost surely, 2^{1002223020212} is an apocalyptic number.

It is an amenable number.

1002223020212 is a deficient number, since it is larger than the sum of its proper divisors (762838541968).

1002223020212 is a wasteful number, since it uses less digits than its factorization.

1002223020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595896690 (or 1595896688 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1002223020212 its reverse (2120203222001), we get a palindrome (3122426242213).

The spelling of 1002223020212 in words is "one trillion, two billion, two hundred twenty-three million, twenty thousand, two hundred twelve".