200020111201212 has 48 divisors (see below), whose sum is σ = 507125126323200. Its totient is φ = 61126689329280.

The previous prime is 200020111201189. The next prime is 200020111201217. The reversal of 200020111201212 is 212102111020002.

It is a junction number, because it is equal to n+sod(n) for n = 200020111201191 and 200020111201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020111201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14149689537 + ... + 14149703672.

It is an arithmetic number, because the mean of its divisors is an integer number (10565106798400).

Almost surely, 2^{200020111201212} is an apocalyptic number.

It is an amenable number.

200020111201212 is an abundant number, since it is smaller than the sum of its proper divisors (307105015121988).

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

200020111201212 is a wasteful number, since it uses less digits than its factorization.

200020111201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28299393266 (or 28299393264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200020111201212 its reverse (212102111020002), we get a palindrome (412122222221214).

The spelling of 200020111201212 in words is "two hundred trillion, twenty billion, one hundred eleven million, two hundred one thousand, two hundred twelve".