212120120213 has 12 divisors (see below), whose sum is σ = 219238003584. Its totient is φ = 205226429400.

The previous prime is 212120120189. The next prime is 212120120237. The reversal of 212120120213 is 312021021212.

It is an interprime number because it is at equal distance from previous prime (212120120189) and next prime (212120120237).

It is not a de Polignac number, because 212120120213 - 2⁸ = 212120119957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212120120191 and 212120120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120120243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4167548 + ... + 4218138.

It is an arithmetic number, because the mean of its divisors is an integer number (18269833632).

Almost surely, 2^212120120213 is an apocalyptic number.

It is an amenable number.

212120120213 is a deficient number, since it is larger than the sum of its proper divisors (7117883371).

212120120213 is an equidigital number, since it uses as much as digits as its factorization.

212120120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55016 (or 54985 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212120120213 its reverse (312021021212), we get a palindrome (524141141425).

Subtracting 212120120213 from its reverse (312021021212), we obtain a palindrome (99900900999).

The spelling of 212120120213 in words is "two hundred twelve billion, one hundred twenty million, one hundred twenty thousand, two hundred thirteen".