20120210212201 has 32 divisors (see below), whose sum is σ = 22649724403200. Its totient is φ = 17715713568000.

The previous prime is 20120210212169. The next prime is 20120210212231. The reversal of 20120210212201 is 10221201202102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20120210212201 - 2⁵ = 20120210212169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120210212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104180875 + ... + 104373823.

It is an arithmetic number, because the mean of its divisors is an integer number (707803887600).

Almost surely, 2^{20120210212201} is an apocalyptic number.

It is an amenable number.

20120210212201 is a deficient number, since it is larger than the sum of its proper divisors (2529514190999).

20120210212201 is a wasteful number, since it uses less digits than its factorization.

20120210212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195105.

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

Adding to 20120210212201 its reverse (10221201202102), we get a palindrome (30341411414303).

The spelling of 20120210212201 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, two hundred twelve thousand, two hundred one".