212021200229 has 2 divisors, whose sum is σ = 212021200230. Its totient is φ = 212021200228.

The previous prime is 212021200207. The next prime is 212021200231. The reversal of 212021200229 is 922002120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168370708900 + 43650491329 = 410330^2 + 208927^2 .

It is a cyclic number.

It is not a de Polignac number, because 212021200229 - 2¹² = 212021196133 is a prime.

Together with 212021200231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021208229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010600114 + 106010600115.

It is an arithmetic number, because the mean of its divisors is an integer number (106010600115).

Almost surely, 2^212021200229 is an apocalyptic number.

It is an amenable number.

212021200229 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021200229 is an equidigital number, since it uses as much as digits as its factorization.

212021200229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 212021200229 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, two hundred twenty-nine".