200011212 has 36 divisors (see below), whose sum is σ = 507048360. Its totient is φ = 66477312.

The previous prime is 200011211. The next prime is 200011219. The reversal of 200011212 is 212110002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200011194 and 200011203.

It is not an unprimeable number, because it can be changed into a prime (200011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4839 + ... + 20577.

Almost surely, 2^200011212 is an apocalyptic number.

It is an amenable number.

200011212 is an abundant number, since it is smaller than the sum of its proper divisors (307037148).

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

200011212 is a wasteful number, since it uses less digits than its factorization.

200011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16097 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200011212 is about 14142.5320222370. The cubic root of 200011212 is about 584.8144754673.

Adding to 200011212 its reverse (212110002), we get a palindrome (412121214).

The spelling of 200011212 in words is "two hundred million, eleven thousand, two hundred twelve".