200202122100123 has 72 divisors (see below), whose sum is σ = 348769392871536. Its totient is φ = 109887956830080.

The previous prime is 200202122100119. The next prime is 200202122100283. The reversal of 200202122100123 is 321001221202002.

200202122100123 is a `hidden beast` number, since 200 + 20 + 212 + 210 + 0 + 1 + 23 = 666.

It is not a de Polignac number, because 200202122100123 - 2² = 200202122100119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200202122100096 and 200202122100105.

It is not an unprimeable number, because it can be changed into a prime (200202122120123) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 132660661 + ... + 134161302.

It is an arithmetic number, because the mean of its divisors is an integer number (4844019345438).

Almost surely, 2^{200202122100123} is an apocalyptic number.

200202122100123 is a deficient number, since it is larger than the sum of its proper divisors (148567270771413).

200202122100123 is a wasteful number, since it uses less digits than its factorization.

200202122100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266822057 (or 266822043 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200202122100123 its reverse (321001221202002), we get a palindrome (521203343302125).

The spelling of 200202122100123 in words is "two hundred trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-three".