212200222123 has 2 divisors, whose sum is σ = 212200222124. Its totient is φ = 212200222122.

The previous prime is 212200222109. The next prime is 212200222139. The reversal of 212200222123 is 321222002212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212200222123 - 2¹³ = 212200213931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212200222123.

It is not a weakly prime, because it can be changed into another prime (212200222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100111061 + 106100111062.

It is an arithmetic number, because the mean of its divisors is an integer number (106100111062).

Almost surely, 2^212200222123 is an apocalyptic number.

212200222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200222123 is an equidigital number, since it uses as much as digits as its factorization.

212200222123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212200222123 its reverse (321222002212), we get a palindrome (533422224335).

The spelling of 212200222123 in words is "two hundred twelve billion, two hundred million, two hundred twenty-two thousand, one hundred twenty-three".