200121010120000 has 70 divisors (see below), whose sum is σ = 496235065868498. Its totient is φ = 80048404032000.

The previous prime is 200121010119997. The next prime is 200121010120133. The reversal of 200121010120000 is 21010121002.

It can be written as a sum of positive squares in 5 ways, for example, as 64169327851776 + 135951682268224 = 8010576^2 + 11659832^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 2501472627 + ... + 2501552626.

Almost surely, 2^{200121010120000} is an apocalyptic number.

200121010120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121010120000 is an abundant number, since it is smaller than the sum of its proper divisors (296114055748498).

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

200121010120000 is an frugal number, since it uses more digits than its factorization.

200121010120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003025285 (or 5003025260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200121010120000 its reverse (21010121002), we get a palindrome (200142020241002).

The spelling of 200121010120000 in words is "two hundred trillion, one hundred twenty-one billion, ten million, one hundred twenty thousand".