20000210121212 has 6 divisors (see below), whose sum is σ = 35000367712128. Its totient is φ = 10000105060604.

The previous prime is 20000210121193. The next prime is 20000210121239. The reversal of 20000210121212 is 21212101200002.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2500026265148 + ... + 2500026265155.

It is an arithmetic number, because the mean of its divisors is an integer number (5833394618688).

Almost surely, 2^{20000210121212} is an apocalyptic number.

It is an amenable number.

20000210121212 is a deficient number, since it is larger than the sum of its proper divisors (15000157590916).

20000210121212 is a wasteful number, since it uses less digits than its factorization.

20000210121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000052530307 (or 5000052530305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000210121212 its reverse (21212101200002), we get a palindrome (41212311321214).

The spelling of 20000210121212 in words is "twenty trillion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".