200210121012122 has 8 divisors (see below), whose sum is σ = 323416349327316. Its totient is φ = 92404671236352.

The previous prime is 200210121012037. The next prime is 200210121012133. The reversal of 200210121012122 is 221210121012002.

It can be written as a sum of positive squares in 2 ways, for example, as 193737976402441 + 6472144609681 = 13918979^2 + 2544041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 200210121012122.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3850194634823 + ... + 3850194634874.

Almost surely, 2^{200210121012122} is an apocalyptic number.

200210121012122 is a deficient number, since it is larger than the sum of its proper divisors (123206228315194).

200210121012122 is a wasteful number, since it uses less digits than its factorization.

200210121012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700389269712.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200210121012122 its reverse (221210121012002), we get a palindrome (421420242024124).

The spelling of 200210121012122 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".