210220001212201 has 8 divisors (see below), whose sum is σ = 211168100755080. Its totient is φ = 209272163480832.

The previous prime is 210220001212153. The next prime is 210220001212213. The reversal of 210220001212201 is 102212100022012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93206454613801 + 117013546598400 = 9654349^2 + 10817280^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210220001212201 - 2¹⁹ = 210220000687913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220001212231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63843280 + ... + 67055233.

It is an arithmetic number, because the mean of its divisors is an integer number (26396012594385).

Almost surely, 2^{210220001212201} is an apocalyptic number.

It is an amenable number.

210220001212201 is a deficient number, since it is larger than the sum of its proper divisors (948099542879).

210220001212201 is a wasteful number, since it uses less digits than its factorization.

210220001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130905755.

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

Adding to 210220001212201 its reverse (102212100022012), we get a palindrome (312432101234213).

The spelling of 210220001212201 in words is "two hundred ten trillion, two hundred twenty billion, one million, two hundred twelve thousand, two hundred one".