212130201103201 has 4 divisors (see below), whose sum is σ = 212130676822932. Its totient is φ = 212129725383472.

The previous prime is 212130201103199. The next prime is 212130201103243. The reversal of 212130201103201 is 102301102031212.

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 127445133505600 + 84685067597601 = 11289160^2 + 9202449^2 .

It is a cyclic number.

It is not a de Polignac number, because 212130201103201 - 2¹ = 212130201103199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212130201109201) 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, 237190366 + ... + 238083031.

It is an arithmetic number, because the mean of its divisors is an integer number (53032669205733).

Almost surely, 2^{212130201103201} is an apocalyptic number.

It is an amenable number.

212130201103201 is a deficient number, since it is larger than the sum of its proper divisors (475719731).

212130201103201 is an equidigital number, since it uses as much as digits as its factorization.

212130201103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475719730.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212130201103201 its reverse (102301102031212), we get a palindrome (314431303134413).

The spelling of 212130201103201 in words is "two hundred twelve trillion, one hundred thirty billion, two hundred one million, one hundred three thousand, two hundred one".