212010122220201 has 12 divisors (see below), whose sum is σ = 309210016443328. Its totient is φ = 139967847678744.

The previous prime is 212010122220167. The next prime is 212010122220229. The reversal of 212010122220201 is 102022221010212.

It is a happy number.

212010122220201 is a `hidden beast` number, since 2 + 120 + 1 + 0 + 122 + 220 + 201 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-212010122220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010122220601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114352815805 + ... + 114352817658.

Almost surely, 2^{212010122220201} is an apocalyptic number.

It is an amenable number.

212010122220201 is a deficient number, since it is larger than the sum of its proper divisors (97199894223127).

212010122220201 is a wasteful number, since it uses less digits than its factorization.

212010122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228705633572 (or 228705633569 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212010122220201 its reverse (102022221010212), we get a palindrome (314032343230413).

The spelling of 212010122220201 in words is "two hundred twelve trillion, ten billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".