121201210000200 has 384 divisors, whose sum is σ = 414001556490240. Its totient is φ = 29086780800000.

The previous prime is 121201210000163. The next prime is 121201210000223. The reversal of 121201210000200 is 2000012102121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7219936207 + ... + 7219952993.

It is an arithmetic number, because the mean of its divisors is an integer number (1078129053360).

Almost surely, 2^{121201210000200} is an apocalyptic number.

121201210000200 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 121201210000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207000778245120).

121201210000200 is an abundant number, since it is smaller than the sum of its proper divisors (292800346490040).

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

121201210000200 is a wasteful number, since it uses less digits than its factorization.

121201210000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27749 (or 27740 counting only the distinct ones).

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

Adding to 121201210000200 its reverse (2000012102121), we get a palindrome (123201222102321).

The spelling of 121201210000200 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred ten million, two hundred", and thus it is an aban number.