20123411213027 has 2 divisors, whose sum is σ = 20123411213028. Its totient is φ = 20123411213026.

The previous prime is 20123411212951. The next prime is 20123411213033. The reversal of 20123411213027 is 72031211432102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123411213027 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123411213627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061705606513 + 10061705606514.

It is an arithmetic number, because the mean of its divisors is an integer number (10061705606514).

Almost surely, 2^{20123411213027} is an apocalyptic number.

20123411213027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123411213027 is an equidigital number, since it uses as much as digits as its factorization.

20123411213027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 20123411213027 its reverse (72031211432102), we get a palindrome (92154622645129).

The spelling of 20123411213027 in words is "twenty trillion, one hundred twenty-three billion, four hundred eleven million, two hundred thirteen thousand, twenty-seven".