121012120000200 has 768 divisors, whose sum is σ = 460419891240960. Its totient is φ = 25890315264000.

The previous prime is 121012120000141. The next prime is 121012120000243. The reversal of 121012120000200 is 2000021210121.

121012120000200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 220489324 + ... + 221037476.

It is an arithmetic number, because the mean of its divisors is an integer number (599505066720).

Almost surely, 2^{121012120000200} is an apocalyptic number.

121012120000200 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 121012120000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230209945620480).

121012120000200 is an abundant number, since it is smaller than the sum of its proper divisors (339407771240760).

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

121012120000200 is a wasteful number, since it uses less digits than its factorization.

121012120000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548310 (or 548301 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121012120000200 its reverse (2000021210121), we get a palindrome (123012141210321).

The spelling of 121012120000200 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, two hundred", and thus it is an aban number.