212300220001 has 4 divisors (see below), whose sum is σ = 212341075732. Its totient is φ = 212259364272.

The previous prime is 212300219969. The next prime is 212300220031. The reversal of 212300220001 is 100022003212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53788741776 + 158511478225 = 231924^2 + 398135^2 .

It is a cyclic number.

It is not a de Polignac number, because 212300220001 - 2⁵ = 212300219969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212300220031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20420070 + ... + 20430463.

It is an arithmetic number, because the mean of its divisors is an integer number (53085268933).

Almost surely, 2^212300220001 is an apocalyptic number.

It is an amenable number.

212300220001 is a deficient number, since it is larger than the sum of its proper divisors (40855731).

212300220001 is an equidigital number, since it uses as much as digits as its factorization.

212300220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40855730.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212300220001 its reverse (100022003212), we get a palindrome (312322223213).

The spelling of 212300220001 in words is "two hundred twelve billion, three hundred million, two hundred twenty thousand, one".