200212121221012 has 12 divisors (see below), whose sum is σ = 370981283439060. Its totient is φ = 94217468809856.

The previous prime is 200212121221009. The next prime is 200212121221019. The reversal of 200212121221012 is 210122121212002.

It can be written as a sum of positive squares in 2 ways, for example, as 184658909833476 + 15553211387536 = 13588926^2 + 3943756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212121221019) 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, 1472147950087 + ... + 1472147950222.

It is an arithmetic number, because the mean of its divisors is an integer number (30915106953255).

Almost surely, 2^{200212121221012} is an apocalyptic number.

It is an amenable number.

200212121221012 is a deficient number, since it is larger than the sum of its proper divisors (170769162218048).

200212121221012 is a wasteful number, since it uses less digits than its factorization.

200212121221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944295900330 (or 2944295900328 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200212121221012 its reverse (210122121212002), we get a palindrome (410334242433014).

The spelling of 200212121221012 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, twelve".