12013031030111 has 4 divisors (see below), whose sum is σ = 12045237547992. Its totient is φ = 11980824512232.

The previous prime is 12013031030107. The next prime is 12013031030129. The reversal of 12013031030111 is 11103013031021.

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 12013031030111 - 2² = 12013031030107 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 12013031030111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013031030101) 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, 16103258381 + ... + 16103259126.

It is an arithmetic number, because the mean of its divisors is an integer number (3011309386998).

Almost surely, 2^{12013031030111} is an apocalyptic number.

12013031030111 is a deficient number, since it is larger than the sum of its proper divisors (32206517881).

12013031030111 is an equidigital number, since it uses as much as digits as its factorization.

12013031030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32206517880.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12013031030111 its reverse (11103013031021), we get a palindrome (23116044061132).

The spelling of 12013031030111 in words is "twelve trillion, thirteen billion, thirty-one million, thirty thousand, one hundred eleven".