1223150522999 has 2 divisors, whose sum is σ = 1223150523000. Its totient is φ = 1223150522998.

The previous prime is 1223150522963. The next prime is 1223150523083. The reversal of 1223150522999 is 9992250513221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223150522999 - 2²⁰ = 1223149474423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223150522299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611575261499 + 611575261500.

It is an arithmetic number, because the mean of its divisors is an integer number (611575261500).

Almost surely, 2^{1223150522999} is an apocalyptic number.

1223150522999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223150522999 is an equidigital number, since it uses as much as digits as its factorization.

1223150522999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 1223150522999 in words is "one trillion, two hundred twenty-three billion, one hundred fifty million, five hundred twenty-two thousand, nine hundred ninety-nine".