10212100021213 has 2 divisors, whose sum is σ = 10212100021214. Its totient is φ = 10212100021212.

The previous prime is 10212100021061. The next prime is 10212100021217. The reversal of 10212100021213 is 31212000121201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7589374833924 + 2622725187289 = 2754882^2 + 1619483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212100021213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212100021217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106050010606 + 5106050010607.

It is an arithmetic number, because the mean of its divisors is an integer number (5106050010607).

Almost surely, 2^{10212100021213} is an apocalyptic number.

It is an amenable number.

10212100021213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212100021213 is an equidigital number, since it uses as much as digits as its factorization.

10212100021213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10212100021213 its reverse (31212000121201), we get a palindrome (41424100142414).

The spelling of 10212100021213 in words is "ten trillion, two hundred twelve billion, one hundred million, twenty-one thousand, two hundred thirteen".