200012012021220 has 48 divisors (see below), whose sum is σ = 640038438469248. Its totient is φ = 45717031319040.

The previous prime is 200012012021207. The next prime is 200012012021221. The reversal of 200012012021220 is 22120210210002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200012012021220.

It is not an unprimeable number, because it can be changed into a prime (200012012021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238109537701 + ... + 238109538540.

It is an arithmetic number, because the mean of its divisors is an integer number (13334134134776).

Almost surely, 2^{200012012021220} is an apocalyptic number.

200012012021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012012021220 is an abundant number, since it is smaller than the sum of its proper divisors (440026426448028).

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

200012012021220 is a wasteful number, since it uses less digits than its factorization.

200012012021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476219076260 (or 476219076258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200012012021220 its reverse (22120210210002), we get a palindrome (222132222231222).

The spelling of 200012012021220 in words is "two hundred trillion, twelve billion, twelve million, twenty-one thousand, two hundred twenty".