212001112221201 has 24 divisors (see below), whose sum is σ = 306871765356000. Its totient is φ = 141035090414400.

The previous prime is 212001112221167. The next prime is 212001112221203. The reversal of 212001112221201 is 102122211100212.

212001112221201 is a `hidden beast` number, since 21 + 200 + 11 + 12 + 221 + 201 = 666.

It is not a de Polignac number, because 212001112221201 - 2¹⁵ = 212001112188433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212001112221203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37657741 + ... + 42919781.

It is an arithmetic number, because the mean of its divisors is an integer number (12786323556500).

Almost surely, 2^{212001112221201} is an apocalyptic number.

It is an amenable number.

212001112221201 is a deficient number, since it is larger than the sum of its proper divisors (94870653134799).

212001112221201 is a wasteful number, since it uses less digits than its factorization.

212001112221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271517 (or 5271514 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212001112221201 its reverse (102122211100212), we get a palindrome (314123323321413).

The spelling of 212001112221201 in words is "two hundred twelve trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".