12331123210011 has 4 divisors (see below), whose sum is σ = 16441497613352. Its totient is φ = 8220748806672.

The previous prime is 12331123209983. The next prime is 12331123210013. The reversal of 12331123210011 is 11001232113321.

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

It is not a de Polignac number, because 12331123210011 - 2¹⁸ = 12331122947867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12331123210011.

It is not an unprimeable number, because it can be changed into a prime (12331123210013) 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, 2055187201666 + ... + 2055187201671.

It is an arithmetic number, because the mean of its divisors is an integer number (4110374403338).

Almost surely, 2^{12331123210011} is an apocalyptic number.

12331123210011 is a deficient number, since it is larger than the sum of its proper divisors (4110374403341).

12331123210011 is an equidigital number, since it uses as much as digits as its factorization.

12331123210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110374403340.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12331123210011 its reverse (11001232113321), we get a palindrome (23332355323332).

The spelling of 12331123210011 in words is "twelve trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred ten thousand, eleven".