1232221211959 has 2 divisors, whose sum is σ = 1232221211960. Its totient is φ = 1232221211958.

The previous prime is 1232221211929. The next prime is 1232221212011. The reversal of 1232221211959 is 9591121222321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232221211959 - 2¹³ = 1232221203767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232221211909) 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, 616110605979 + 616110605980.

It is an arithmetic number, because the mean of its divisors is an integer number (616110605980).

Almost surely, 2^{1232221211959} is an apocalyptic number.

1232221211959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232221211959 is an equidigital number, since it uses as much as digits as its factorization.

1232221211959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 40.

The spelling of 1232221211959 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-one million, two hundred eleven thousand, nine hundred fifty-nine".