12231103231993 has 2 divisors, whose sum is σ = 12231103231994. Its totient is φ = 12231103231992.

The previous prime is 12231103231961. The next prime is 12231103232057. The reversal of 12231103231993 is 39913230113221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10148862889984 + 2082240342009 = 3185728^2 + 1442997^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231103231993 - 2⁵ = 12231103231961 is a prime.

It is a super-2 number, since 2×12231103231993² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12231103231913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115551615996 + 6115551615997.

It is an arithmetic number, because the mean of its divisors is an integer number (6115551615997).

Almost surely, 2^{12231103231993} is an apocalyptic number.

It is an amenable number.

12231103231993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231103231993 is an equidigital number, since it uses as much as digits as its factorization.

12231103231993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 12231103231993 in words is "twelve trillion, two hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, nine hundred ninety-three".