200121000300 has 144 divisors (see below), whose sum is σ = 692840690080. Its totient is φ = 49260545280.

The previous prime is 200121000259. The next prime is 200121000319. The reversal of 200121000300 is 3000121002.

It is a happy number.

It is a super-2 number, since 2×200121000300² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2815627 + ... + 2885826.

Almost surely, 2^200121000300 is an apocalyptic number.

200121000300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121000300 is an abundant number, since it is smaller than the sum of its proper divisors (492719689780).

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

200121000300 is a wasteful number, since it uses less digits than its factorization.

200121000300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701489 (or 5701476 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 200121000300 its reverse (3000121002), we get a palindrome (203121121302).

The spelling of 200121000300 in words is "two hundred billion, one hundred twenty-one million, three hundred", and thus it is an aban number.