210212000121 has 16 divisors (see below), whose sum is σ = 281331127040. Its totient is φ = 139617308880.

The previous prime is 210212000087. The next prime is 210212000129. The reversal of 210212000121 is 121000212012.

210212000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210212000121 - 2⁷ = 210211999993 is a prime.

It is a super-3 number, since 3×210212000121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210212000097 and 210212000106.

It is not an unprimeable number, because it can be changed into a prime (210212000129) 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 in 15 ways as a sum of consecutive naturals, for example, 4577886 + ... + 4623576.

It is an arithmetic number, because the mean of its divisors is an integer number (17583195440).

Almost surely, 2^210212000121 is an apocalyptic number.

It is an amenable number.

210212000121 is a deficient number, since it is larger than the sum of its proper divisors (71119126919).

210212000121 is a wasteful number, since it uses less digits than its factorization.

210212000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51396.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210212000121 its reverse (121000212012), we get a palindrome (331212212133).

The spelling of 210212000121 in words is "two hundred ten billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.