200201012122123 has 2 divisors, whose sum is σ = 200201012122124. Its totient is φ = 200201012122122.

The previous prime is 200201012122087. The next prime is 200201012122213. The reversal of 200201012122123 is 321221210102002.

Together with next prime (200201012122213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200201012122123 - 2⁹ = 200201012121611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200201012122123.

It is not a weakly prime, because it can be changed into another prime (200201012122523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100506061061 + 100100506061062.

It is an arithmetic number, because the mean of its divisors is an integer number (100100506061062).

Almost surely, 2^{200201012122123} is an apocalyptic number.

200201012122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201012122123 is an equidigital number, since it uses as much as digits as its factorization.

200201012122123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200201012122123 its reverse (321221210102002), we get a palindrome (521422222224125).

The spelling of 200201012122123 in words is "two hundred trillion, two hundred one billion, twelve million, one hundred twenty-two thousand, one hundred twenty-three".