200120123203001 has 2 divisors, whose sum is σ = 200120123203002. Its totient is φ = 200120123203000.

The previous prime is 200120123202973. The next prime is 200120123203043. The reversal of 200120123203001 is 100302321021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200022186126400 + 97937076601 = 14142920^2 + 312949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120123203001 is a prime.

It is not a weakly prime, because it can be changed into another prime (200120123203081) 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, 100060061601500 + 100060061601501.

It is an arithmetic number, because the mean of its divisors is an integer number (100060061601501).

Almost surely, 2^{200120123203001} is an apocalyptic number.

It is an amenable number.

200120123203001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120123203001 is an equidigital number, since it uses as much as digits as its factorization.

200120123203001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200120123203001 its reverse (100302321021002), we get a palindrome (300422444224003).

The spelling of 200120123203001 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-three million, two hundred three thousand, one".