210121000201212 has 48 divisors (see below), whose sum is σ = 505906428277152. Its totient is φ = 67833258603520.

The previous prime is 210121000201139. The next prime is 210121000201303. The reversal of 210121000201212 is 212102000121012.

It is a junction number, because it is equal to n+sod(n) for n = 210121000201191 and 210121000201200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558601223 + ... + 1558736030.

It is an arithmetic number, because the mean of its divisors is an integer number (10539717255774).

Almost surely, 2^{210121000201212} is an apocalyptic number.

It is an amenable number.

210121000201212 is an abundant number, since it is smaller than the sum of its proper divisors (295785428075940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210121000201212 is a wasteful number, since it uses less digits than its factorization.

210121000201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117337438 (or 3117337436 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210121000201212 its reverse (212102000121012), we get a palindrome (422223000322224).

The spelling of 210121000201212 in words is "two hundred ten trillion, one hundred twenty-one billion, two hundred one thousand, two hundred twelve".