12003131312111 has 16 divisors (see below), whose sum is σ = 12802449686400. Its totient is φ = 11221540293600.

The previous prime is 12003131312033. The next prime is 12003131312119. The reversal of 12003131312111 is 11121313130021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003131312111 is a prime.

It is a super-2 number, since 2×12003131312111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003131312119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13025060 + ... + 13916121.

It is an arithmetic number, because the mean of its divisors is an integer number (800153105400).

Almost surely, 2^{12003131312111} is an apocalyptic number.

12003131312111 is a deficient number, since it is larger than the sum of its proper divisors (799318374289).

12003131312111 is a wasteful number, since it uses less digits than its factorization.

12003131312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941510.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12003131312111 its reverse (11121313130021), we get a palindrome (23124444442132).

The spelling of 12003131312111 in words is "twelve trillion, three billion, one hundred thirty-one million, three hundred twelve thousand, one hundred eleven".