201001022120212 has 6 divisors (see below), whose sum is σ = 351751788710378. Its totient is φ = 100500511060104.

The previous prime is 201001022120209. The next prime is 201001022120219. The reversal of 201001022120212 is 212021220100102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 196192799389456 + 4808222730756 = 14006884^2 + 2192766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001022120219) 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 as a sum of consecutive naturals, namely, 25125127765023 + ... + 25125127765030.

Almost surely, 2^{201001022120212} is an apocalyptic number.

It is an amenable number.

201001022120212 is a deficient number, since it is larger than the sum of its proper divisors (150750766590166).

201001022120212 is a wasteful number, since it uses less digits than its factorization.

201001022120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50250255530057 (or 50250255530055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201001022120212 its reverse (212021220100102), we get a palindrome (413022242220314).

It can be divided in two parts, 20100102 and 2120212, that multiplied together give a palindrome (42616477461624).

The spelling of 201001022120212 in words is "two hundred one trillion, one billion, twenty-two million, one hundred twenty thousand, two hundred twelve".