10202012010202 has 24 divisors (see below), whose sum is σ = 15997748778900. Its totient is φ = 4879084679040.

The previous prime is 10202012010199. The next prime is 10202012010209. The reversal of 10202012010202 is 20201021020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10201259111481 + 752898721 = 3193941^2 + 27439^2 .

It is not an unprimeable number, because it can be changed into a prime (10202012010209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43842802 + ... + 44074882.

Almost surely, 2^{10202012010202} is an apocalyptic number.

10202012010202 is a deficient number, since it is larger than the sum of its proper divisors (5795736768698).

10202012010202 is a wasteful number, since it uses less digits than its factorization.

10202012010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273678 (or 273655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202012010202 its reverse (20201021020201), we get a palindrome (30403033030403).

Subtracting 10202012010202 from its reverse (20201021020201), we obtain a palindrome (9999009009999).

The spelling of 10202012010202 in words is "ten trillion, two hundred two billion, twelve million, ten thousand, two hundred two".