202013122120202 has 4 divisors (see below), whose sum is σ = 303019683180306. Its totient is φ = 101006561060100.

The previous prime is 202013122120129. The next prime is 202013122120253. The reversal of 202013122120202 is 202021221310202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178879898410801 + 23133223709401 = 13374599^2 + 4809701^2 .

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 as a sum of consecutive naturals, namely, 50503280530049 + ... + 50503280530052.

Almost surely, 2^{202013122120202} is an apocalyptic number.

202013122120202 is a deficient number, since it is larger than the sum of its proper divisors (101006561060104).

202013122120202 is a wasteful number, since it uses less digits than its factorization.

202013122120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101006561060103.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202013122120202 its reverse (202021221310202), we get a palindrome (404034343430404).

The spelling of 202013122120202 in words is "two hundred two trillion, thirteen billion, one hundred twenty-two million, one hundred twenty thousand, two hundred two".