121320210030200 has 192 divisors, whose sum is σ = 285395080108320. Its totient is φ = 47958266880000.

The previous prime is 121320210030199. The next prime is 121320210030209. The reversal of 121320210030200 is 2030012023121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320210030209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22546031510 + ... + 22546036890.

Almost surely, 2^{121320210030200} is an apocalyptic number.

121320210030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121320210030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142697540054160).

121320210030200 is an abundant number, since it is smaller than the sum of its proper divisors (164074870078120).

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

121320210030200 is a wasteful number, since it uses less digits than its factorization.

121320210030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121320210030200 its reverse (2030012023121), we get a palindrome (123350222053321).

The spelling of 121320210030200 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred ten million, thirty thousand, two hundred".