201212020212101 has 8 divisors (see below), whose sum is σ = 201442277394144. Its totient is φ = 200981810430640.

The previous prime is 201212020212013. The next prime is 201212020212121. The reversal of 201212020212101 is 101212020212102.

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 201212020212101 - 2⁴² = 196813973700997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201212020212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212020212121) 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, 3351950 + ... + 20338623.

It is an arithmetic number, because the mean of its divisors is an integer number (25180284674268).

Almost surely, 2^{201212020212101} is an apocalyptic number.

It is an amenable number.

201212020212101 is a deficient number, since it is larger than the sum of its proper divisors (230257182043).

201212020212101 is an equidigital number, since it uses as much as digits as its factorization.

201212020212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23700291.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212020212101 its reverse (101212020212102), we get a palindrome (302424040424203).

Subtracting from 201212020212101 its reverse (101212020212102), we obtain a palindrome (99999999999999).

The spelling of 201212020212101 in words is "two hundred one trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, one hundred one".