200121201222112 has 12 divisors (see below), whose sum is σ = 393988614906096. Its totient is φ = 100060600611040.

The previous prime is 200121201222101. The next prime is 200121201222113. The reversal of 200121201222112 is 211222102121002.

It is a self number, because there is not a number n which added to its sum of digits gives 200121201222112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121201222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126893769064 + ... + 3126893769127.

It is an arithmetic number, because the mean of its divisors is an integer number (32832384575508).

Almost surely, 2^{200121201222112} is an apocalyptic number.

It is an amenable number.

200121201222112 is a deficient number, since it is larger than the sum of its proper divisors (193867413683984).

200121201222112 is an equidigital number, since it uses as much as digits as its factorization.

200121201222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253787538201 (or 6253787538193 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200121201222112 its reverse (211222102121002), we get a palindrome (411343303343114).

The spelling of 200121201222112 in words is "two hundred trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".