12123223021333 has 2 divisors, whose sum is σ = 12123223021334. Its totient is φ = 12123223021332.

The previous prime is 12123223021307. The next prime is 12123223021339. The reversal of 12123223021333 is 33312032232121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6735592471204 + 5387630550129 = 2595302^2 + 2321127^2 .

It is a cyclic number.

It is not a de Polignac number, because 12123223021333 - 2²¹ = 12123220924181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123223021339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061611510666 + 6061611510667.

It is an arithmetic number, because the mean of its divisors is an integer number (6061611510667).

Almost surely, 2^{12123223021333} is an apocalyptic number.

It is an amenable number.

12123223021333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123223021333 is an equidigital number, since it uses as much as digits as its factorization.

12123223021333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12123223021333 its reverse (33312032232121), we get a palindrome (45435255253454).

The spelling of 12123223021333 in words is "twelve trillion, one hundred twenty-three billion, two hundred twenty-three million, twenty-one thousand, three hundred thirty-three".