200212120121020 has 96 divisors (see below), whose sum is σ = 487018478540160. Its totient is φ = 67719149798400.

The previous prime is 200212120120879. The next prime is 200212120121021. The reversal of 200212120121020 is 20121021212002.

It is a happy number.

200212120121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200212120120985 and 200212120121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212120121021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21641475 + ... + 29475034.

It is an arithmetic number, because the mean of its divisors is an integer number (5073109151460).

Almost surely, 2^{200212120121020} is an apocalyptic number.

200212120121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212120121020 is an abundant number, since it is smaller than the sum of its proper divisors (286806358419140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200212120121020 is a wasteful number, since it uses less digits than its factorization.

200212120121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51116903 (or 51116901 counting only the distinct ones).

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

Adding to 200212120121020 its reverse (20121021212002), we get a palindrome (220333141333022).

The spelling of 200212120121020 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty-one thousand, twenty".