20133120123097 has 2 divisors, whose sum is σ = 20133120123098. Its totient is φ = 20133120123096.

The previous prime is 20133120123049. The next prime is 20133120123143. The reversal of 20133120123097 is 79032102133102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13593792024576 + 6539328098521 = 3686976^2 + 2557211^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133120123097 - 2²⁷ = 20132985905369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133120823097) 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, 10066560061548 + 10066560061549.

It is an arithmetic number, because the mean of its divisors is an integer number (10066560061549).

Almost surely, 2^{20133120123097} is an apocalyptic number.

It is an amenable number.

20133120123097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133120123097 is an equidigital number, since it uses as much as digits as its factorization.

20133120123097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

Adding to 20133120123097 its reverse (79032102133102), we get a palindrome (99165222256199).

The spelling of 20133120123097 in words is "twenty trillion, one hundred thirty-three billion, one hundred twenty million, one hundred twenty-three thousand, ninety-seven".