212001102021223 has 2 divisors, whose sum is σ = 212001102021224. Its totient is φ = 212001102021222.

The previous prime is 212001102021161. The next prime is 212001102021227. The reversal of 212001102021223 is 322120201100212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212001102021223 - 2²⁵ = 212001068466791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212001102021223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001102021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000551010611 + 106000551010612.

It is an arithmetic number, because the mean of its divisors is an integer number (106000551010612).

Almost surely, 2^{212001102021223} is an apocalyptic number.

212001102021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001102021223 is an equidigital number, since it uses as much as digits as its factorization.

212001102021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212001102021223 its reverse (322120201100212), we get a palindrome (534121303121435).

The spelling of 212001102021223 in words is "two hundred twelve trillion, one billion, one hundred two million, twenty-one thousand, two hundred twenty-three".