200101212 has 24 divisors (see below), whose sum is σ = 518781200. Its totient is φ = 66700368.

The previous prime is 200101207. The next prime is 200101229. The reversal of 200101212 is 212101002.

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 = 200101194 and 200101203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926287 + ... + 926502.

Almost surely, 2^200101212 is an apocalyptic number.

It is an amenable number.

200101212 is an abundant number, since it is smaller than the sum of its proper divisors (318679988).

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

200101212 is a wasteful number, since it uses less digits than its factorization.

200101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852802 (or 1852794 counting only the distinct ones).

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

The square root of 200101212 is about 14145.7135557030. The cubic root of 200101212 is about 584.9021795677.

Adding to 200101212 its reverse (212101002), we get a palindrome (412202214).

The spelling of 200101212 in words is "two hundred million, one hundred one thousand, two hundred twelve".