200120022101212 has 12 divisors (see below), whose sum is σ = 352307104778160. Its totient is φ = 99460849307456.

The previous prime is 200120022101191. The next prime is 200120022101213. The reversal of 200120022101212 is 212101220021002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120022101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149790435037 + ... + 149790436372.

It is an arithmetic number, because the mean of its divisors is an integer number (29358925398180).

Almost surely, 2^{200120022101212} is an apocalyptic number.

It is an amenable number.

200120022101212 is a deficient number, since it is larger than the sum of its proper divisors (152187082676948).

200120022101212 is a wasteful number, since it uses less digits than its factorization.

200120022101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299580871580 (or 299580871578 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200120022101212 its reverse (212101220021002), we get a palindrome (412221242122214).

The spelling of 200120022101212 in words is "two hundred trillion, one hundred twenty billion, twenty-two million, one hundred one thousand, two hundred twelve".