210001012213 has 2 divisors, whose sum is σ = 210001012214. Its totient is φ = 210001012212.

The previous prime is 210001012171. The next prime is 210001012307. The reversal of 210001012213 is 312210100012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202119478929 + 7881533284 = 449577^2 + 88778^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001012213 - 2¹³ = 210001004021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210001012193 and 210001012202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210001012313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000506106 + 105000506107.

It is an arithmetic number, because the mean of its divisors is an integer number (105000506107).

Almost surely, 2^210001012213 is an apocalyptic number.

It is an amenable number.

210001012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001012213 is an equidigital number, since it uses as much as digits as its factorization.

210001012213 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 13.

Adding to 210001012213 its reverse (312210100012), we get a palindrome (522211112225).

The spelling of 210001012213 in words is "two hundred ten billion, one million, twelve thousand, two hundred thirteen".