1232103329981 has 2 divisors, whose sum is σ = 1232103329982. Its totient is φ = 1232103329980.

The previous prime is 1232103329969. The next prime is 1232103330071. The reversal of 1232103329981 is 1899233012321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133277348025 + 98825981956 = 1064555^2 + 314366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232103329981 - 2³⁰ = 1231029588157 is a prime.

It is a super-2 number, since 2×1232103329981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232103329581) 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, 616051664990 + 616051664991.

It is an arithmetic number, because the mean of its divisors is an integer number (616051664991).

Almost surely, 2^{1232103329981} is an apocalyptic number.

It is an amenable number.

1232103329981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232103329981 is an equidigital number, since it uses as much as digits as its factorization.

1232103329981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 1232103329981 in words is "one trillion, two hundred thirty-two billion, one hundred three million, three hundred twenty-nine thousand, nine hundred eighty-one".