200220012121212 has 54 divisors (see below), whose sum is σ = 537634225194248. Its totient is φ = 62814121446528.

The previous prime is 200220012121201. The next prime is 200220012121249. The reversal of 200220012121212 is 212121210022002.

It is a happy number.

200220012121212 is a `hidden beast` number, since 20 + 0 + 220 + 0 + 1 + 212 + 1 + 212 = 666.

200220012121212 is digitally balanced in base 2 and base 4, because in such bases 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).

200220012121212 is a modest number, since divided by 12121212 gives 2002200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9622250848 + ... + 9622271655.

Almost surely, 2^{200220012121212} is an apocalyptic number.

It is an amenable number.

200220012121212 is an abundant number, since it is smaller than the sum of its proper divisors (337414213073036).

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

200220012121212 is a wasteful number, since it uses less digits than its factorization.

200220012121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19244522547 (or 19244522525 counting only the distinct ones).

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

Adding to 200220012121212 its reverse (212121210022002), we get a palindrome (412341222143214).

The spelling of 200220012121212 in words is "two hundred trillion, two hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred twelve".