200121222120212 has 48 divisors (see below), whose sum is σ = 356930930184192. Its totient is φ = 98159262925920.

The previous prime is 200121222120173. The next prime is 200121222120223. The reversal of 200121222120212 is 212021222121002.

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, 1376362037 + ... + 1376507427.

It is an arithmetic number, because the mean of its divisors is an integer number (7436061045504).

Almost surely, 2^{200121222120212} is an apocalyptic number.

It is an amenable number.

200121222120212 is a deficient number, since it is larger than the sum of its proper divisors (156809708063980).

200121222120212 is a wasteful number, since it uses less digits than its factorization.

200121222120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176828 (or 176826 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200121222120212 its reverse (212021222121002), we get a palindrome (412142444241214).

The spelling of 200121222120212 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".