200012122112121 has 32 divisors (see below), whose sum is σ = 329351007277440. Its totient is φ = 118932308164800.

The previous prime is 200012122112057. The next prime is 200012122112189. The reversal of 200012122112121 is 121211221210002.

200012122112121 is a `hidden beast` number, since 200 + 0 + 1 + 212 + 211 + 21 + 21 = 666.

It is not a de Polignac number, because 200012122112121 - 2⁶ = 200012122112057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200012122112094 and 200012122112103.

It is not an unprimeable number, because it can be changed into a prime (200012122112221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6353205850 + ... + 6353237331.

It is an arithmetic number, because the mean of its divisors is an integer number (10292218977420).

Almost surely, 2^{200012122112121} is an apocalyptic number.

It is an amenable number.

200012122112121 is a deficient number, since it is larger than the sum of its proper divisors (129338885165319).

200012122112121 is a wasteful number, since it uses less digits than its factorization.

200012122112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12706443254 (or 12706443248 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 200012122112121 its reverse (121211221210002), we get a palindrome (321223343322123).

The spelling of 200012122112121 in words is "two hundred trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-one".