12131422411109 has 2 divisors, whose sum is σ = 12131422411110. Its totient is φ = 12131422411108.

The previous prime is 12131422411039. The next prime is 12131422411123. The reversal of 12131422411109 is 90111422413121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8821286104225 + 3310136306884 = 2970065^2 + 1819378^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131422411109 - 2⁸ = 12131422410853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131422413109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065711205554 + 6065711205555.

It is an arithmetic number, because the mean of its divisors is an integer number (6065711205555).

Almost surely, 2^{12131422411109} is an apocalyptic number.

It is an amenable number.

12131422411109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131422411109 is an equidigital number, since it uses as much as digits as its factorization.

12131422411109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 12131422411109 in words is "twelve trillion, one hundred thirty-one billion, four hundred twenty-two million, four hundred eleven thousand, one hundred nine".