202121000200212 has 24 divisors (see below), whose sum is σ = 471740466304800. Its totient is φ = 67355838280416.

The previous prime is 202121000200193. The next prime is 202121000200219. The reversal of 202121000200212 is 212002000121202.

It is a junction number, because it is equal to n+sod(n) for n = 202121000200191 and 202121000200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202121000200219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228509387 + ... + 2228600082.

It is an arithmetic number, because the mean of its divisors is an integer number (19655852762700).

Almost surely, 2^{202121000200212} is an apocalyptic number.

It is an amenable number.

202121000200212 is an abundant number, since it is smaller than the sum of its proper divisors (269619466104588).

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

202121000200212 is a wasteful number, since it uses less digits than its factorization.

202121000200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457113255 (or 4457113253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202121000200212 its reverse (212002000121202), we get a palindrome (414123000321414).

The spelling of 202121000200212 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred thousand, two hundred twelve".