200212001221986 has 48 divisors (see below), whose sum is σ = 484463607910464. Its totient is φ = 61603692681744.

The previous prime is 200212001221979. The next prime is 200212001221997. The reversal of 200212001221986 is 689122100212002.

200212001221986 is a `hidden beast` number, since 200 + 21 + 200 + 1 + 221 + 9 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 200212001221986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15844564846 + ... + 15844577481.

It is an arithmetic number, because the mean of its divisors is an integer number (10092991831468).

Almost surely, 2^{200212001221986} is an apocalyptic number.

200212001221986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

200212001221986 is an abundant number, since it is smaller than the sum of its proper divisors (284251606688478).

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

200212001221986 is a wasteful number, since it uses less digits than its factorization.

200212001221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31689142357 (or 31689142345 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

Adding to 200212001221986 its reverse (689122100212002), we get a palindrome (889334101433988).

The spelling of 200212001221986 in words is "two hundred trillion, two hundred twelve billion, one million, two hundred twenty-one thousand, nine hundred eighty-six".