212111032213 has 2 divisors, whose sum is σ = 212111032214. Its totient is φ = 212111032212.

The previous prime is 212111032201. The next prime is 212111032223. The reversal of 212111032213 is 312230111212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186401154564 + 25709877649 = 431742^2 + 160343^2 .

It is a cyclic number.

It is not a de Polignac number, because 212111032213 - 2³³ = 203521097621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212111032223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055516106 + 106055516107.

It is an arithmetic number, because the mean of its divisors is an integer number (106055516107).

Almost surely, 2^212111032213 is an apocalyptic number.

It is an amenable number.

212111032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111032213 is an equidigital number, since it uses as much as digits as its factorization.

212111032213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212111032213 its reverse (312230111212), we get a palindrome (524341143425).

The spelling of 212111032213 in words is "two hundred twelve billion, one hundred eleven million, thirty-two thousand, two hundred thirteen".