12031133331011 has 16 divisors (see below), whose sum is σ = 12559821015840. Its totient is φ = 11513186657280.

The previous prime is 12031133330969. The next prime is 12031133331053. The reversal of 12031133331011 is 11013333113021.

It is an interprime number because it is at equal distance from previous prime (12031133330969) and next prime (12031133331053).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031133331011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031133337011) 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, 30356120 + ... + 30749898.

It is an arithmetic number, because the mean of its divisors is an integer number (784988813490).

Almost surely, 2^{12031133331011} is an apocalyptic number.

12031133331011 is a deficient number, since it is larger than the sum of its proper divisors (528687684829).

12031133331011 is a wasteful number, since it uses less digits than its factorization.

12031133331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407414.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 12031133331011 its reverse (11013333113021), we get a palindrome (23044466444032).

The spelling of 12031133331011 in words is "twelve trillion, thirty-one billion, one hundred thirty-three million, three hundred thirty-one thousand, eleven".