12231231002311 has 4 divisors (see below), whose sum is σ = 12246020883432. Its totient is φ = 12216441121192.

The previous prime is 12231231002281. The next prime is 12231231002339. The reversal of 12231231002311 is 11320013213221.

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 12231231002311 - 2¹⁹ = 12231230478023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231231002351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7394939320 + ... + 7394940973.

It is an arithmetic number, because the mean of its divisors is an integer number (3061505220858).

Almost surely, 2^{12231231002311} is an apocalyptic number.

12231231002311 is a deficient number, since it is larger than the sum of its proper divisors (14789881121).

12231231002311 is an equidigital number, since it uses as much as digits as its factorization.

12231231002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789881120.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12231231002311 its reverse (11320013213221), we get a palindrome (23551244215532).

The spelling of 12231231002311 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty-one million, two thousand, three hundred eleven".