121221323000200 has 48 divisors (see below), whose sum is σ = 282013659234000. Its totient is φ = 48458579392320.

The previous prime is 121221323000189. The next prime is 121221323000203. The reversal of 121221323000200 is 2000323122121.

121221323000200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121221323000203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186861690 + ... + 187509289.

It is an arithmetic number, because the mean of its divisors is an integer number (5875284567375).

Almost surely, 2^{121221323000200} is an apocalyptic number.

121221323000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121221323000200 is an abundant number, since it is smaller than the sum of its proper divisors (160792336233800).

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

121221323000200 is a wasteful number, since it uses less digits than its factorization.

121221323000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374372614 (or 374372605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121221323000200 its reverse (2000323122121), we get a palindrome (123221646122321).

The spelling of 121221323000200 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred", and thus it is an aban number.