201220001012210 has 8 divisors (see below), whose sum is σ = 362196001821996. Its totient is φ = 80488000404880.

The previous prime is 201220001012131. The next prime is 201220001012237. The reversal of 201220001012210 is 12210100022102.

It can be written as a sum of positive squares in 2 ways, for example, as 199231898192209 + 1988102820001 = 14114953^2 + 1410001^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10061000050601 + ... + 10061000050620.

Almost surely, 2^{201220001012210} is an apocalyptic number.

201220001012210 is a deficient number, since it is larger than the sum of its proper divisors (160976000809786).

201220001012210 is a wasteful number, since it uses less digits than its factorization.

201220001012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122000101228.

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

Adding to 201220001012210 its reverse (12210100022102), we get a palindrome (213430101034312).

The spelling of 201220001012210 in words is "two hundred one trillion, two hundred twenty billion, one million, twelve thousand, two hundred ten".