212222202185803 has 2 divisors, whose sum is σ = 212222202185804. Its totient is φ = 212222202185802.

The previous prime is 212222202185779. The next prime is 212222202185857. The reversal of 212222202185803 is 308581202222212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212222202185803 - 2⁵ = 212222202185771 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222202185863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111101092901 + 106111101092902.

It is an arithmetic number, because the mean of its divisors is an integer number (106111101092902).

Almost surely, 2^{212222202185803} is an apocalyptic number.

212222202185803 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222202185803 is an equidigital number, since it uses as much as digits as its factorization.

212222202185803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 212222202185803 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, one hundred eighty-five thousand, eight hundred three".