12233111302231 has 4 divisors (see below), whose sum is σ = 12517602262792. Its totient is φ = 11948620341672.

The previous prime is 12233111302163. The next prime is 12233111302249. The reversal of 12233111302231 is 13220311133221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12233111302231 is a prime.

It is a super-2 number, since 2×12233111302231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12233111302196 and 12233111302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233111302261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142245480216 + ... + 142245480301.

It is an arithmetic number, because the mean of its divisors is an integer number (3129400565698).

Almost surely, 2^{12233111302231} is an apocalyptic number.

12233111302231 is a deficient number, since it is larger than the sum of its proper divisors (284490960561).

12233111302231 is an equidigital number, since it uses as much as digits as its factorization.

12233111302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284490960560.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12233111302231 its reverse (13220311133221), we get a palindrome (25453422435452).

The spelling of 12233111302231 in words is "twelve trillion, two hundred thirty-three billion, one hundred eleven million, three hundred two thousand, two hundred thirty-one".