200212121020122 has 128 divisors (see below), whose sum is σ = 453410265392640. Its totient is φ = 65475527040000.

The previous prime is 200212121020081. The next prime is 200212121020133. The reversal of 200212121020122 is 221020121212002.

It is a happy number.

200212121020122 is a `hidden beast` number, since 20 + 0 + 212 + 1 + 210 + 201 + 22 = 666.

200212121020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200212121020095 and 200212121020104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2607535372 + ... + 2607612152.

It is an arithmetic number, because the mean of its divisors is an integer number (3542267698380).

Almost surely, 2^{200212121020122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200212121020122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226705132696320).

200212121020122 is an abundant number, since it is smaller than the sum of its proper divisors (253198144372518).

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

200212121020122 is a wasteful number, since it uses less digits than its factorization.

200212121020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81237 (or 81231 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200212121020122 its reverse (221020121212002), we get a palindrome (421232242232124).

The spelling of 200212121020122 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty-one million, twenty thousand, one hundred twenty-two".