212103212301 has 24 divisors (see below), whose sum is σ = 311550866016. Its totient is φ = 139013915040.

The previous prime is 212103212291. The next prime is 212103212309. The reversal of 212103212301 is 103212301212.

212103212301 is a `hidden beast` number, since 21 + 21 + 0 + 321 + 2 + 301 = 666.

It is not a de Polignac number, because 212103212301 - 2¹⁰ = 212103211277 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103212309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1003206 + ... + 1196088.

It is an arithmetic number, because the mean of its divisors is an integer number (12981286084).

Almost surely, 2^212103212301 is an apocalyptic number.

It is an amenable number.

212103212301 is a deficient number, since it is larger than the sum of its proper divisors (99447653715).

212103212301 is a wasteful number, since it uses less digits than its factorization.

212103212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194953 (or 194950 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212103212301 its reverse (103212301212), we get a palindrome (315315513513).

The spelling of 212103212301 in words is "two hundred twelve billion, one hundred three million, two hundred twelve thousand, three hundred one".