1232113021109 has 2 divisors, whose sum is σ = 1232113021110. Its totient is φ = 1232113021108.

The previous prime is 1232113021103. The next prime is 1232113021157. The reversal of 1232113021109 is 9011203112321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139389726084 + 92723295025 = 1067422^2 + 304505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232113021109 - 2²⁴ = 1232096243893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232113021103) 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, 616056510554 + 616056510555.

It is an arithmetic number, because the mean of its divisors is an integer number (616056510555).

Almost surely, 2^{1232113021109} is an apocalyptic number.

It is an amenable number.

1232113021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232113021109 is an equidigital number, since it uses as much as digits as its factorization.

1232113021109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1232113021109 in words is "one trillion, two hundred thirty-two billion, one hundred thirteen million, twenty-one thousand, one hundred nine".