212201021201 has 16 divisors (see below), whose sum is σ = 230028546048. Its totient is φ = 194591160000.

The previous prime is 212201021141. The next prime is 212201021203. The reversal of 212201021201 is 102120102212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212201021201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212201021203) 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 15 ways as a sum of consecutive naturals, for example, 1807835 + ... + 1921631.

It is an arithmetic number, because the mean of its divisors is an integer number (14376784128).

Almost surely, 2^212201021201 is an apocalyptic number.

It is an amenable number.

212201021201 is a deficient number, since it is larger than the sum of its proper divisors (17827524847).

212201021201 is a wasteful number, since it uses less digits than its factorization.

212201021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114752.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201021201 its reverse (102120102212), we get a palindrome (314321123413).

The spelling of 212201021201 in words is "two hundred twelve billion, two hundred one million, twenty-one thousand, two hundred one".