200201121021212 has 6 divisors (see below), whose sum is σ = 350351961787128. Its totient is φ = 100100560510604.

The previous prime is 200201121021191. The next prime is 200201121021229. The reversal of 200201121021212 is 212120121102002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025140127648 + ... + 25025140127655.

It is an arithmetic number, because the mean of its divisors is an integer number (58391993631188).

Almost surely, 2^{200201121021212} is an apocalyptic number.

It is an amenable number.

200201121021212 is a deficient number, since it is larger than the sum of its proper divisors (150150840765916).

200201121021212 is a wasteful number, since it uses less digits than its factorization.

200201121021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050280255307 (or 50050280255305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200201121021212 its reverse (212120121102002), we get a palindrome (412321242123214).

The spelling of 200201121021212 in words is "two hundred trillion, two hundred one billion, one hundred twenty-one million, twenty-one thousand, two hundred twelve".