201012200122 has 16 divisors (see below), whose sum is σ = 319502416680. Its totient is φ = 94520570368.

The previous prime is 201012200111. The next prime is 201012200197. The reversal of 201012200122 is 221002210102.

It is a happy number.

201012200122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 199817046081 + 1195154041 = 447009^2 + 34571^2 .

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 7 ways as a sum of consecutive naturals, for example, 2249473 + ... + 2337124.

Almost surely, 2^201012200122 is an apocalyptic number.

201012200122 is a deficient number, since it is larger than the sum of its proper divisors (118490216558).

201012200122 is a wasteful number, since it uses less digits than its factorization.

201012200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587905.

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

Adding to 201012200122 its reverse (221002210102), we get a palindrome (422014410224).

The spelling of 201012200122 in words is "two hundred one billion, twelve million, two hundred thousand, one hundred twenty-two".