12120413113423 has 2 divisors, whose sum is σ = 12120413113424. Its totient is φ = 12120413113422.

The previous prime is 12120413113379. The next prime is 12120413113429. The reversal of 12120413113423 is 32431131402121.

It is a strong prime.

It is an emirp because it is prime and its reverse (32431131402121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120413113423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120413113391 and 12120413113400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120413113429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060206556711 + 6060206556712.

It is an arithmetic number, because the mean of its divisors is an integer number (6060206556712).

Almost surely, 2^{12120413113423} is an apocalyptic number.

12120413113423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120413113423 is an equidigital number, since it uses as much as digits as its factorization.

12120413113423 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 28.

Adding to 12120413113423 its reverse (32431131402121), we get a palindrome (44551544515544).

The spelling of 12120413113423 in words is "twelve trillion, one hundred twenty billion, four hundred thirteen million, one hundred thirteen thousand, four hundred twenty-three".