201012121010210 has 16 divisors (see below), whose sum is σ = 366778281077496. Its totient is φ = 79303412124288.

The previous prime is 201012121010189. The next prime is 201012121010219. The reversal of 201012121010210 is 12010121210102.

It can be written as a sum of positive squares in 4 ways, for example, as 163678273529761 + 37333847480449 = 12793681^2 + 6110143^2 .

It is not an unprimeable number, because it can be changed into a prime (201012121010219) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 137679534209 + ... + 137679535668.

Almost surely, 2^{201012121010210} is an apocalyptic number.

201012121010210 is a deficient number, since it is larger than the sum of its proper divisors (165766160067286).

201012121010210 is a wasteful number, since it uses less digits than its factorization.

201012121010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275359069957.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012121010210 its reverse (12010121210102), we get a palindrome (213022242220312).

The spelling of 201012121010210 in words is "two hundred one trillion, twelve billion, one hundred twenty-one million, ten thousand, two hundred ten".