12131030123011 has 2 divisors, whose sum is σ = 12131030123012. Its totient is φ = 12131030123010.

The previous prime is 12131030122999. The next prime is 12131030123021. The reversal of 12131030123011 is 11032103013121.

It is a strong prime.

It is an emirp because it is prime and its reverse (11032103013121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12131030123011 - 2²¹ = 12131028025859 is a prime.

It is a super-2 number, since 2×12131030123011² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131030123011.

It is not a weakly prime, because it can be changed into another prime (12131030123021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065515061505 + 6065515061506.

It is an arithmetic number, because the mean of its divisors is an integer number (6065515061506).

Almost surely, 2^{12131030123011} is an apocalyptic number.

12131030123011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131030123011 is an equidigital number, since it uses as much as digits as its factorization.

12131030123011 is an evil number, because the sum of its binary digits is even.

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

Adding to 12131030123011 its reverse (11032103013121), we get a palindrome (23163133136132).

The spelling of 12131030123011 in words is "twelve trillion, one hundred thirty-one billion, thirty million, one hundred twenty-three thousand, eleven".