1232211309999 has 4 divisors (see below), whose sum is σ = 1642948413336. Its totient is φ = 821474206664.

The previous prime is 1232211309991. The next prime is 1232211310019. The reversal of 1232211309999 is 9999031122321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232211309999 - 2³ = 1232211309991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232211309991) 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 in 3 ways as a sum of consecutive naturals, for example, 205368551664 + ... + 205368551669.

It is an arithmetic number, because the mean of its divisors is an integer number (410737103334).

Almost surely, 2^{1232211309999} is an apocalyptic number.

1232211309999 is a deficient number, since it is larger than the sum of its proper divisors (410737103337).

1232211309999 is an equidigital number, since it uses as much as digits as its factorization.

1232211309999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410737103336.

The product of its (nonzero) digits is 472392, while the sum is 51.

The spelling of 1232211309999 in words is "one trillion, two hundred thirty-two billion, two hundred eleven million, three hundred nine thousand, nine hundred ninety-nine".