12031331210011 has 6 divisors (see below), whose sum is σ = 12577176104780. Its totient is φ = 11508229852548.

The previous prime is 12031331209991. The next prime is 12031331210111. The reversal of 12031331210011 is 11001213313021.

It is not a de Polignac number, because 12031331210011 - 2⁷ = 12031331209883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031331210111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11371768101 + ... + 11371769158.

Almost surely, 2^{12031331210011} is an apocalyptic number.

12031331210011 is a deficient number, since it is larger than the sum of its proper divisors (545844894769).

12031331210011 is an equidigital number, since it uses as much as digits as its factorization.

12031331210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743537305 (or 22743537282 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12031331210011 its reverse (11001213313021), we get a palindrome (23032544523032).

The spelling of 12031331210011 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, two hundred ten thousand, eleven".