212021320219 has 2 divisors, whose sum is σ = 212021320220. Its totient is φ = 212021320218.

The previous prime is 212021320201. The next prime is 212021320229. The reversal of 212021320219 is 912023120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021320219 - 2⁹ = 212021319707 is a prime.

It is a super-2 number, since 2×212021320219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212021320193 and 212021320202.

It is not a weakly prime, because it can be changed into another prime (212021320229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010660109 + 106010660110.

It is an arithmetic number, because the mean of its divisors is an integer number (106010660110).

Almost surely, 2^212021320219 is an apocalyptic number.

212021320219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021320219 is an equidigital number, since it uses as much as digits as its factorization.

212021320219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 212021320219 in words is "two hundred twelve billion, twenty-one million, three hundred twenty thousand, two hundred nineteen".