1212200010223 has 2 divisors, whose sum is σ = 1212200010224. Its totient is φ = 1212200010222.

The previous prime is 1212200010193. The next prime is 1212200010227. The reversal of 1212200010223 is 3220100022121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212200010223 - 2¹³ = 1212200002031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212200010197 and 1212200010206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212200010227) 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, 606100005111 + 606100005112.

It is an arithmetic number, because the mean of its divisors is an integer number (606100005112).

Almost surely, 2^{1212200010223} is an apocalyptic number.

1212200010223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212200010223 is an equidigital number, since it uses as much as digits as its factorization.

1212200010223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212200010223 its reverse (3220100022121), we get a palindrome (4432300032344).

The spelling of 1212200010223 in words is "one trillion, two hundred twelve billion, two hundred million, ten thousand, two hundred twenty-three".