202112213312 has 14 divisors (see below), whose sum is σ = 401066423418. Its totient is φ = 101056106624.

The previous prime is 202112213221. The next prime is 202112213341. The reversal of 202112213312 is 213312211202.

It can be written as a sum of positive squares in only one way, i.e., 106448197696 + 95664015616 = 326264^2 + 309296^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579001603 + ... + 1579001730.

Almost surely, 2^202112213312 is an apocalyptic number.

It is an amenable number.

202112213312 is a deficient number, since it is larger than the sum of its proper divisors (198954210106).

202112213312 is an equidigital number, since it uses as much as digits as its factorization.

202112213312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158003345 (or 3158003335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202112213312 its reverse (213312211202), we get a palindrome (415424424514).

The spelling of 202112213312 in words is "two hundred two billion, one hundred twelve million, two hundred thirteen thousand, three hundred twelve".