202143322112 has 26 divisors (see below), whose sum is σ = 404237301018. Its totient is φ = 101071659008.

The previous prime is 202143322111. The next prime is 202143322151. The reversal of 202143322112 is 211223341202.

It can be written as a sum of positive squares in only one way, i.e., 170351005696 + 31792316416 = 412736^2 + 178304^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202143322111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24671603 + ... + 24679794.

Almost surely, 2^202143322112 is an apocalyptic number.

It is an amenable number.

202143322112 is a deficient number, since it is larger than the sum of its proper divisors (202093978906).

202143322112 is an frugal number, since it uses more digits than its factorization.

202143322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351421 (or 49351399 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 202143322112 its reverse (211223341202), we get a palindrome (413366663314).

The spelling of 202143322112 in words is "two hundred two billion, one hundred forty-three million, three hundred twenty-two thousand, one hundred twelve".