212103210301 has 4 divisors (see below), whose sum is σ = 212148956412. Its totient is φ = 212057464192.

The previous prime is 212103210299. The next prime is 212103210311. The reversal of 212103210301 is 103012301212.

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 17380467225 + 194722743076 = 131835^2 + 441274^2 .

It is a cyclic number.

It is not a de Polignac number, because 212103210301 - 2¹ = 212103210299 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103210311) 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, 22866100 + ... + 22875373.

It is an arithmetic number, because the mean of its divisors is an integer number (53037239103).

Almost surely, 2^212103210301 is an apocalyptic number.

It is an amenable number.

212103210301 is a deficient number, since it is larger than the sum of its proper divisors (45746111).

212103210301 is an equidigital number, since it uses as much as digits as its factorization.

212103210301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45746110.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212103210301 its reverse (103012301212), we get a palindrome (315115511513).

The spelling of 212103210301 in words is "two hundred twelve billion, one hundred three million, two hundred ten thousand, three hundred one".