212032010221 has 2 divisors, whose sum is σ = 212032010222. Its totient is φ = 212032010220.

The previous prime is 212032010209. The next prime is 212032010231. The reversal of 212032010221 is 122010230212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171407592196 + 40624418025 = 414014^2 + 201555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212032010221 is a prime.

It is a super-3 number, since 3×212032010221³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212032010195 and 212032010204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212032010231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106016005110 + 106016005111.

It is an arithmetic number, because the mean of its divisors is an integer number (106016005111).

Almost surely, 2^212032010221 is an apocalyptic number.

It is an amenable number.

212032010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

212032010221 is an equidigital number, since it uses as much as digits as its factorization.

212032010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212032010221 its reverse (122010230212), we get a palindrome (334042240433).

The spelling of 212032010221 in words is "two hundred twelve billion, thirty-two million, ten thousand, two hundred twenty-one".