2120213 has 2 divisors, whose sum is σ = 2120214. Its totient is φ = 2120212.

The previous prime is 2120207. The next prime is 2120221. The reversal of 2120213 is 3120212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270129 + 850084 = 1127^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120213 - 2¹⁰ = 2119189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120194 and 2120203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060106 + 1060107.

It is an arithmetic number, because the mean of its divisors is an integer number (1060107).

2^2120213 is an apocalyptic number.

It is an amenable number.

2120213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120213 is an equidigital number, since it uses as much as digits as its factorization.

2120213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2120213 is about 1456.0951205193. The cubic root of 2120213 is about 128.4674679313.

Adding to 2120213 its reverse (3120212), we get a palindrome (5240425).

Subtracting 2120213 from its reverse (3120212), we obtain a palindrome (999999).

The spelling of 2120213 in words is "two million, one hundred twenty thousand, two hundred thirteen".