212021122259 has 2 divisors, whose sum is σ = 212021122260. Its totient is φ = 212021122258.

The previous prime is 212021122177. The next prime is 212021122279. The reversal of 212021122259 is 952221120212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021122259 - 2⁸ = 212021122003 is a prime.

It is not a weakly prime, because it can be changed into another prime (212021122279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010561129 + 106010561130.

It is an arithmetic number, because the mean of its divisors is an integer number (106010561130).

Almost surely, 2^212021122259 is an apocalyptic number.

212021122259 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021122259 is an equidigital number, since it uses as much as digits as its factorization.

212021122259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 212021122259 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred fifty-nine".