200120211021212 has 24 divisors (see below), whose sum is σ = 352841694553152. Its totient is φ = 99310704076800.

The previous prime is 200120211021179. The next prime is 200120211021221. The reversal of 200120211021212 is 212120112021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300390089 + ... + 301055552.

It is an arithmetic number, because the mean of its divisors is an integer number (14701737273048).

Almost surely, 2^{200120211021212} is an apocalyptic number.

It is an amenable number.

200120211021212 is a deficient number, since it is larger than the sum of its proper divisors (152721483531940).

200120211021212 is a wasteful number, since it uses less digits than its factorization.

200120211021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601446269 (or 601446267 counting only the distinct ones).

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

Adding to 200120211021212 its reverse (212120112021002), we get a palindrome (412240323042214).

The spelling of 200120211021212 in words is "two hundred trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred twelve".